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The history of Slovenia chronicles the period of the Slovenian territory from the 5th century BC to the present. In the Early Bronze Age, Proto-Illyrian tribes settled an area stretching from present-day Albania to the city of Trieste. The Slovenian territory was part of the Roman Empire, and it was devastated by the Migration Period's incursions during late Antiquity and the Early Middle Ages. The main route from the Pannonian plain to Italy ran through present-day Slovenia. Alpine Slavs, ancestors of modern-day Slovenians, settled the area in the late 6th Century AD. The Holy Roman Empire controlled the land for nearly 1,000 years. Between the mid-14th century through 1918 most of Slovenia was under Habsburg rule. In 1918, most Slovene territory became part of the Kingdom of Serbs, Croats, and Slovenes, and in 1929 the Drava Banovina was created within the Kingdom of Yugoslavia with its capital in Ljubljana, corresponding to Slovenian-majority territories within the state. The Socialist Republic of Slovenia was created in 1945 as part of federal Yugoslavia. Slovenia gained its independence from Yugoslavia in June 1991, and today it is a member of the European Union and NATO.

During the last glacial period, present-day Slovenia was inhabited by Neanderthals. The best-known Neanderthal archaeological site in Slovenia is a cave close to the village of Šebrelje near Cerkno, known as Divje Babe. Here the Divje Babe flute was found in 1995, a perforated bone controversially believed to be a flute, which would make it the oldest known musical instrument in the world.

The world's oldest securely dated wooden wheel and axle was found near the Ljubljana Marsh in 2002.^[1]

In the transition period between the Bronze Age to the Iron Age, the Urnfield culture flourished. Numerous archeological remains dating from the Hallstatt period have been found in Slovenia, with important settlements in Most na Soči, Vače, and Šentvid pri Stični.

Novo Mesto in Lower Carniola, one of the most important archaeological sites of the Hallstatt culture, has been nicknamed the "City of Situlas" after numerous situlas found in the area.^[2]

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  Ljubljana Marshes Wheel, c. 3150 BC
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  Gold appliqués, Urnfield culture, c. 1200 BC.^[3]
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  Bronze breastplate, Hallstatt culture, 600 BC
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  Vače Situla, Hallstatt culture, 5th century BC
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  Princely warrior equipment, Hallstatt culture

In the Iron Age, present-day Slovenia was inhabited by Illyrian and Celtic tribes until the 1st century BC, when the Romans conquered the region establishing the provinces of Pannonia and Noricum. What is now western Slovenia was included directly under Roman Italia as part of the X region Venetia et Histria. Important Roman towns located in present-day Slovenia included Emona, Celeia and Poetovio. Other important settlements were Nauportus, Neviodunum, Haliaetum, Atrans, and Stridon.

During the Migration Period, the region suffered invasions of many barbarian armies, due to its strategic position as the main passage from the Pannonian Plain to the Italian Peninsula. Rome finally abandoned the region at the end of the 4th century. Most cities were destroyed, while the remaining local population moved to the highland areas, establishing fortified towns. In the 5th century, the region was part of the Ostrogothic Kingdom, and was later contested between the Ostrogoths, the Byzantine Empire and the Lombards.

The Slavic ancestors of present-day Slovenes settled in the East Alpine area at the end of the 6th century. Coming from two directions, North (via today's East Austria and Czech Republic), settling in the area of today's Carinthia and west Styria, and South (via today's Slavonia), settling in the area of today's central Slovenia.

This Slavic tribe, also known as the Alpine Slavs, was submitted to Avar rule before joining the Slavic King Samo's tribal union in 623 AD. After Samo's death, the Slavs of Carniola (in present-day Slovenia) again fell to Avar rule, while the Slavs north of the Karavanke range (in present-day Austrian regions of Carinthia, Styria and East Tyrol) established the independent principality of Carantania.

In 745, Carantania and the rest of Slavic-populated territories of present-day Slovenia, being pressured by newly consolidated Avar power, submitted to Bavarian overrule and were, together with the Duchy of Bavaria, incorporated into the Carolingian Empire, while Carantanians and other Slavs living in present Slovenia converted to Christianity. The eastern part of Carantania was ruled again by Avars between 745 and 795.

Carantania retained its internal independence until 818 when the local princes, following the anti-Frankish rebellion of Ljudevit Posavski, were deposed and gradually replaced by a Germanic (primarily Bavarian) ascendancy. Under Emperor Arnulf of Carinthia, Carantania, now ruled by a mixed Bavarian-Slav nobility, briefly emerged as a regional power, but was destroyed by the Hungarian invasions in the late 9th century.

Carantania-Carinthia was established again as an autonomous administrative unit in 976, when Emperor Otto I, "the Great", after deposing the Duke of Bavaria, Henry II, "the Quarreller", split the lands held by him and made Carinthia the sixth duchy of the Holy Roman Empire, but old Carantania never developed into a unified realm.

In the late 10th and beginning of the 11th century, primarily because of the Hungarian threat, the south-eastern border region of the German Empire was organized into so called "marks", that became the core of the development of the historical Slovenian lands, the Carniola, the Styria and the western Goriška/Gorizia. The consolidation and formation of the historical Slovenian lands took place in a long period between 11th and 14th century being led by a number of important feudal families such as the Dukes of Spanheim, the Counts of Gorizia, the Counts of Celje and finally the House of Habsburg.^[4]

The first mentions of a common Slovene ethnic identity, transcending regional boundaries, date from the 16th century.^[5]

During the 14th century, most of the Slovene Lands passed under the Habsburg rule. In the 15th century, the Habsburg domination was challenged by the Counts of Celje, but by the end of the century the great majority of Slovene-inhabited territories were incorporated into the Habsburg monarchy. Most Slovenes lived in the administrative region known as Inner Austria, forming the majority of the population of the Duchy of Carniola and the County of Gorizia and Gradisca, as well as of Lower Styria and southern Carinthia.^[6][7][8]

Slovenes also inhabited most of the territory of the Imperial Free City of Trieste, although representing the minority of its population.^[9]

In the 16th century, the Protestant Reformation spread throughout the Slovene Lands. During this period, the first books in Slovene were written by the Protestant preacher Primož Trubar and his followers, establishing the base for the development of standard Slovene. In the second half of the 16th century, numerous books were printed in Slovene, including an integral translation of the Bible by Jurij Dalmatin. During the Counter-Reformation in the late 16th and 17th centuries, led by the bishop of Ljubljana Thomas Chrön and Seckau Martin Brenner, almost all Protestants were expelled from the Slovene Lands (with the exception of Prekmurje). Nevertheless, they left a strong legacy in the tradition of Slovene culture, which was partially incorporated in the Catholic Counter-Reformation in the 17th century. The old Slovene orthography, also known as Bohorič's alphabet, which was developed by the Protestants in the 16th century and remained in use until the mid-19th century, testified to the unbroken tradition of Slovene culture as established in the years of the Protestant Reformation.

Between the 15th and the 17th centuries, the Slovene Lands suffered many calamities. Many areas, especially in southern Slovenia, were devastated by the Ottoman–Habsburg wars. Many flourishing towns, like Vipavski Križ and Kostanjevica na Krki, were completely destroyed by incursions of the Ottoman Army, and never recovered. The nobility of the Slovene-inhabited provinces had an important role in the fight against the Ottoman Empire. The Carniolan noblemen's army thus defeated the Ottomans in the Battle of Sisak of 1593, marking the end of the immediate Ottoman threat to the Slovene Lands, although sporadic Ottoman incursions continued well into the 17th century.

In the 16th and 17th centuries, the western Slovene regions became the battlefield of the wars between the Habsburg monarchy and the Venetian Republic, most notably the War of Gradisca, which was largely fought in the Slovene Goriška region. Between the late 15th and early 18th centuries, the Slovene lands also witnessed many peasant wars, the best-known being the Carinthian Peasant Revolt of 1478, the Slovene Peasant Revolt of 1515, the Croatian–Slovene Peasant Revolt of 1573, the Second Slovene Peasant Revolt of 1635, and the Tolmin Peasant Revolt of 1713.

The late 17th century was also marked by a vivid intellectual and artistic activity. Many Italian Baroque artists, mostly architects and musicians, settled in the Slovene Lands, and contributed greatly to the development of the local culture. Artists like Francesco Robba, Andrea Pozzo, Vittore Carpaccio and Giulio Quaglio worked in the Slovenian territory, while scientists such as Johann Weikhard von Valvasor and Johannes Gregorius Thalnitscher contributed to the development of the scholarly activities. By the early 18th century, however, the region entered another period of stagnation, which was slowly overcome only by the mid-18th century.

Between the early 18th century and early 19th century, the Slovene lands experienced a period of peace, with a moderate economic recovery starting from mid-18th century onward. The Adriatic city of Trieste was declared a free port in 1718, boosting the economic activity throughout the western parts of the Slovene Lands. The political, administrative and economic reforms of the Habsburg rulers Maria Theresa of Austria and Joseph II improved the economic situation of the peasantry, and were well received by the emerging bourgeoisie, which was however still weak.

In the late 18th century, a process of standardarization of Slovene began, promoted by Carniolan clergymen like Marko Pohlin and Jurij Japelj. During the same period, peasant-writers began using and promoting the Slovene vernacular in the countryside. This popular movement, known as bukovniki, started among Carinthian Slovenes as part a wider revival of Slovene literature. The Slovene cultural tradition was strongly reinforced in the Enlightenment period in the 18th century by the endeavours of the Zois Circle. After two centuries of stagnation, Slovene literature emerged again, most notably in the works of the playwright Anton Tomaž Linhart and the poet Valentin Vodnik. However, German remained the main language of culture, administration and education well into the 19th century.

Between 1805 and 1813, the Slovene-settled territory was part of the Illyrian Provinces, an autonomous province of the Napoleonic French Empire, the capital of which was established at Ljubljana. Although the French rule in the Illyrian Provinces was short-lived it significantly contributed to greater national self-confidence and awareness of freedoms. The French did not entirely abolish the feudal system, their rule familiarised in more detail the inhabitants of the Illyrian Provinces with the achievements of the French Revolution and with contemporary bourgeois society. They introduced equality before the law, compulsory military service for men and a uniform tax system, and also abolished certain tax privileges, introduced modern administration, separated powers between the state and the Church, and nationalised the judiciary.

In August 1813, Austria declared war on France. Austrian troops led by General Franz Tomassich invaded the Illyrian Provinces. After this short French interim all Slovene Lands were, once again, included in the Austrian Empire. Slowly, a distinct Slovene national consciousness developed, and the quest for a political unification of all Slovenes became widespread. In the 1820s and 1840s, the interest in Slovene language and folklore grew enormously, with numerous philologists collecting folk songs and advancing the first steps towards a standardization of the language. A small number of Slovene activist, mostly from Styria and Carinthia, embraced the Illyrian movement that started in neighboring Croatia and aimed at uniting all South Slavic peoples. Pan-Slavic and Austro-Slavic ideas also gained importance. However, the intellectual circle around the philologist Matija Čop and the Romantic poet France Prešeren was influential in affirming the idea of Slovene linguistic and cultural individuality, refusing the idea of merging the Slovenes into a wider Slavic nation.

In 1848, a mass political and popular movement for the United Slovenia (Zedinjena Slovenija) emerged as part of the Spring of Nations movement within the Austrian Empire. Slovene activists demanded a unification of all Slovene-speaking territories in a unified and autonomous Slovene kingdom within the Austrian Empire. Although the project failed, it served as an almost undisputed platform of Slovene political activity in the following decades.

Between 1848 and 1918, numerous institutions (including theatres and publishing houses, as well as political, financial and cultural organisations) were founded in the so-called Slovene National Awakening. Despite their political and institutional fragmentation and lack of proper political representation, the Slovenes were able to establish a functioning national infrastructure.

With the introduction of a constitution granting civil and political liberties in the Austrian Empire in 1860, the Slovene national movement gained force. Despite its internal differentiation among the conservative Old Slovenes and the progressive Young Slovenes, the Slovene nationals defended similar programs, calling for a cultural and political autonomy of the Slovene people. In the late 1860s and early 1870s, a series of mass rallies called tabori, modeled on the Irish monster meetings, were organized in support of the United Slovenia program. These rallies, attended by thousands of people, proved the allegiance of wider strata of the Slovene population to the ideas of national emancipation.

By the end of the 19th century, Slovenes had established a standardized language, and a thriving civil society. Literacy levels were among the highest in the Austro-Hungarian Empire, and numerous national associations were present at grassroots level.^[10] The idea of a common political entity of all South Slavs, known as Yugoslavia, emerged.^[11]

Since the 1880s, a fierce culture war between Catholic traditionalists and integralists on one side, and liberals, progressivists and anticlericals dominated Slovene political and public life, especially in Carniola. During the same period, the growth of industrialization intensified social tensions. Both Socialist and Christian socialist movements mobilized the masses. In 1905, the first Socialist mayor in the Austro-Hungarian Empire was elected in the Slovene mining town of Idrija on the list of the Yugoslav Social Democratic Party. In the same years, the Christian socialist activist Janez Evangelist Krek organized hundreds of workers and agricultural cooperatives throughout the Slovene countryside.

At the turn of the 20th century, national struggles in ethnically mixed areas (especially in Carinthia, Trieste and in Lower Styrian towns) dominated the political and social lives of the citizenry. By the 1910s, the national struggles between Slovene and Italian speakers in the Austrian Littoral, and Slovene and German speakers, overshadowed other political conflicts and brought about a nationalist radicalization on both sides.

In the last two decades before World War One, Slovene arts and literature experienced one of its most flourishing periods, with numerous talented modernist authors, painters and architects.^[12] The most important authors of this period were Ivan Cankar, Oton Župančič and Dragotin Kette, while Ivan Grohar and Rihard Jakopič were among the most talented Slovene visual artists of the time.

After the Ljubljana earthquake of 1895, the city experienced a rapid modernization under the charismatic Liberal nationalist mayors Ivan Hribar and Ivan Tavčar. Architects like Max Fabiani and Ciril Metod Koch introduced their own version of the Vienna Secession architecture to Ljubljana. In the same period, the Adriatic port of Trieste became an increasingly important center of Slovene economy, culture and politics. By 1910, around a third of the city population was Slovene, and the number of Slovenes in Trieste was higher than in Ljubljana.^[13]

At the turn of the 20th century, hundreds of thousands of Slovenes emigrated to other countries, mostly to the United States, but also to South America, Germany,^[14] Egypt^[15] and to larger cities in the Austro-Hungarian Empire, especially Zagreb and Vienna. It has been calculated that around 300,000 Slovenes emigrated between 1880 and 1910, which means that one in six Slovenes left their homeland.^[16]

The period between the 1880s and World War I saw a mass emigration from the present-day Slovenia to America. The largest group of Slovenes eventually settled in Cleveland, Ohio, and the surrounding area. The second-largest group settled in Chicago, principally on the Lower West Side. Many Slovene immigrants went to southwestern Pennsylvania, southeastern Ohio and the state of West Virginia to work in the coal mines and lumber industry. Some also went to the Pittsburgh or Youngstown, Ohio areas, to work in the steel mills, as well as Minnesota's Iron Range, to work in the iron mines.

During the First World War, which severely affected Slovenia in particular with the bloody soviet front and the politics of the great powers that threatened to dismantle the Slovene territory between several countries (Treaty of London, 1915), Slovenes have already tried to regulate their national position in the common state unit Croats and Serbs in the Habsburg Monarchy. The demand, known as the May Declaration, was given by the Slovene, Croatian and Serbian parliamentarians in the Vienna Parliament in the spring of 1917. The ruling circles of the Habsburg monarchy initially rejected the request, and subsequent government initiatives for the federalisation of the monarchy (for example, the October manifesto of Emperor Charles) was rejected by most Slovenian politicians, which has already leaned towards independence. The preservation of the reformed state was longest defended by the former head of the Slovenian People's Party and the last Provincial Commander-in-Chief of Carniola, Ivan Šusteršič, who had few supporters and influence.

The Slovene People's Party launched a movement for self-determination, demanding the creation of a semi-independent South Slavic state under Habsburg rule. The proposal was picked up by most Slovene parties, and a mass mobilization of Slovene civil society, known as the Declaration Movement, followed. By early 1918, more than 200,000 signatures were collected in favor of the Slovene People Party's proposal.^[17]

During the War, some 500 Slovenes served as volunteers in the Serbian army, while a smaller group led by Captain Ljudevit Pivko, served as volunteers in the Italian Army. In the final year of the war, many predominantly Slovene regiments in the Austro-Hungarian Army staged a mutiny against their military leadership; the best-known mutiny of Slovene soldiers was the Judenburg Rebellion in May 1918.^[18]

Following the dissolution of Austro-Hungarian Empire in the aftermath of the World War I, a National Council of Slovenes, Croats and Serbs took power in Zagreb on 6 October 1918. On 29 October independence was declared by a national gathering in Ljubljana, and by the Croatian parliament, declaring the establishment of the new State of Slovenes, Croats and Serbs. On 1 December 1918 the State of Slovenes, Croats and Serbs merged with Serbia, becoming part of the new Kingdom of Serbs, Croats and Slovenes, itself being renamed in 1929 to Kingdom of Yugoslavia.

Slovenes whose territory fell under the rule of neighboring states Italy, Austria and Hungary, were subjected to policies of assimilation.

After the dissolution of the Austro-Hungarian Empire in late 1918, an armed dispute started between the Slovenes and German Austria for the regions of Lower Styria and southern Carinthia. In November 1918, Rudolf Maister seized the city of Maribor and surrounding areas of Lower Styria in the name of the newly formed Yugoslav state. The Austrian government of Styria refrained from military intervention and also opposed a referendum, knowing that the vast majority of Lower Styria was ethnically Slovenian, while Maribor, Ptuj, and Celje had a German-speaking majority, partly as a result of assimilation of Slovenes.^[19] Maribor and Lower Styria were eventually awarded to Yugoslavia in the Treaty of Saint-Germain.

Around the same time, a group of volunteers led by Franjo Malgaj attempted to take control of southern Carinthia. Fighting in Carinthia lasted between December 1918 and June 1919, when the Slovene volunteers and the regular Serbian Army managed to occupy the city of Klagenfurt. In compliance with the Treaty of Saint-Germain, the Yugoslav forces had to withdraw from Klagenfurt, while a referendum was to be held in other areas of southern Carinthia. In October 1920, the majority of the population of southern Carinthia voted to remain in Austria, and only a small portion of the province (around Dravograd and Guštanj) was awarded to the Kingdom of Serbs, Croats and Slovenes. With the Treaty of Trianon, on the other hand, Kingdom of Yugoslavia was awarded the Slovene-inhabited Prekmurje region, which had belonged to Hungary since the 10th century. ^{[citation needed]}

In exchange for joining the Allied Powers in the First World War, the Kingdom of Italy, under the secret Treaty of London (1915) and later Treaty of Rapallo (1920), was granted rule over much of the Slovene territories. These included a quarter of the Slovene ethnic territory, including areas that were exclusively ethnic Slovene. The population of the affected areas was approximately 327,000^[20] of the total population of 1.3 million Slovenes.^[21]

In 1921, against the vote of the great majority (70%) of Slovene MPs, a centralist constitution was passed in the Kingdom of Serbs, Croats and Slovenes. Despite it, Slovenes managed to maintain a high level of cultural autonomy, and both economy and the arts prospered. Slovene politicians participated in almost all Yugoslav governments, and the Slovene conservative leader Anton Korošec briefly served as the only non-Serbian Prime Minister of Yugoslavia in the period between the two world wars.

In 1929, the Kingdom of Serbs, Croats and Slovenes was renamed to Kingdom of Yugoslavia. The constitution was abolished, civil liberties suspended, while the centralist pressure intensified. Slovenia was renamed to Drava Banovina. During the whole interwar period, Slovene voters strongly supported the conservative Slovene People's Party, which unsuccessfully fought for the autonomy of Slovenia within a federalized Yugoslavia. In 1935, however, the Slovene People's Party joined the pro-regime Yugoslav Radical Community, opening the space for the development of a left wing autonomist movement. In the 1930s, the economic crisis created a fertile ground for the rising of both leftist and rightist radicalisms. In 1937, the Communist Party of Slovenia was founded as an autonomous party within the Communist Party of Yugoslavia. Between 1938 and 1941, left liberal, Christian left and agrarian forces established close relations with members of the illegal Communist party, aiming at establishing a broad anti-Fascist coalition.

The main territory of Slovenia, being the most industrialized and westernized among others less developed parts of Yugoslavia became the main center of industrial production: in comparison to Serbia, for example, in Slovenia the industrial production was four times greater and even twenty-two times greater than in Vardar Banovina.^{[citation needed]}

The interwar period brought a further industrialization in Slovenia, with a rapid economic growth in the 1920s followed by a relatively successful economic adjustment to the 1929 economic crisis. This development however affected only certain areas, especially the Ljubljana Basin, the Central Sava Valley, parts of Slovenian Carinthia, and the urban areas around Celje and Maribor. Tourism experienced a period of great expansion, with resort areas like Bled and Rogaška Slatina gaining an international reputation. Elsewhere, agriculture and forestry remained the predominant economic activities. Nevertheless, Slovenia emerged as one of the most prosperous and economically dynamic areas in Yugoslavia, profiting from a large Balkan market. Arts and literature also prospered, as did architecture. The two largest Slovenian cities, Ljubljana and Maribor, underwent an extensive program of urban renewal and modernization. Architects like Jože Plečnik, Ivan Vurnik and Vladimir Šubic introduced modernist architecture to Slovenia.

With a secret Treaty of London in 1915, the Kingdom of Italy was promised large portions of Austrian-Hungarian territory by the Triple Entente, in exchange for joining the Entente against the Central Powers in World War I. After the Central Powers were defeated in 1918, Italy went on to annex some of the promised territories, after signing the treaty of Rapallo with the new Kingdom of Serbs, Croats and Slovenes in 1920. However, these areas also included a quarter of Slovene ethnic territory and approximately 327.000 out of total population of 1.3^[20] million Slovenes, were annexed by the Kingdom of Italy^[21] The treaty left half a million Slavs (besides Slovenes also Croatians) inside Italy, while only a few hundred Italians in the fledgling Yugoslav state".^[22]

Trieste was at the end of 19th century de facto the largest Slovene city, having had more Slovene inhabitants than Ljubljana. After being ceded from the multi-ethnic Austria, Italian lower middle class—who felt most threatened by the city's Slovene middle class—sought to make Trieste "città italianissima", committing series of attacks, led by Black Shirts, on Slovene shops, libraries, lawyer offices, and the central place of the rival community in Narodni dom.^[23] Forced Italianization followed and by the mid-1930s, several thousand Slovenes, especially intellectuals from Trieste region, emigrated to the Kingdom of Yugoslavia and to South America.

The present-day Slovenian municipalities of Idrija, Ajdovščina, Vipava, Kanal, Postojna, Pivka, and Ilirska Bistrica, were subjected to forced Italianization. The Slovene minority in Italy (1920-1947) lacked any minority protection under international or domestic law.^[24] Clashes between the Italian authorities and Fascist squads on one side, and the local Slovene population on the other, started as early as 1920, culminating with the burning of the Narodni dom, the Slovenian National Hall of Trieste. After all Slovene minority organizations in Italy had been suppressed, the militant anti-fascist organization TIGR was formed in 1927 in order to fight Fascist violence. The anti-Fascist guerrilla movement continued throughout the late 1920s and 1930s.^{[25][citation needed]}

When Hungary, Bulgaria and Romania joined the Tripartite pact in 1940, pressure greatly increased on Yugoslavia to join in as Hitler was trying to protect its southern flank before launching the attack on the Soviet Union. The signing of the Treaty of the Kingdom of Yugoslavia with Germany on March 25, 1941, was followed two days later by a coup led by aviation general Dušan Simović. Regent prince Pavel was thrown out and authority was granted to young Peter. General Simović took over the provisional administration of the government. Thus, Yugoslavia did not seem to be reliable anymore to Hitler, and so on April 6, 1941, according to the operation Marita and without a formal declaration of war, Axis forces invaded the Kingdom of Yugoslavia. The attack began with the bombing of Belgrade, killing 20,000 people. The resistance of the Yugoslav royal army was only symbolic, as only half of the recruits were able to collect due to slow mobilization, and the military equipment and doctrine of Serbia from the Balkan wars and the First World War were obsolete. Thus, on April 10, German troops have already reached Zagreb and on April 12 Belgrade. The Italian army launched its attack only on April 11, when Hungary joined. At that time, the German army was already in Karlovac. The Italian army split into two parts: it penetrated the part towards both Ljubljana and beyond via Kočevje, and the second part penetrated via Dalmatia. The German army also broke out of Bulgaria and with the mobilized units easily prevented the withdrawal of the Yugoslav army into the Thessaloniki front.

Shortly after the attack, the National People's Council was formed under the leadership of Marko Natlačen, who called for a peaceful handover of weapons and expelled the occupier. After the capitulation of the Yugoslav army, Hungary took over most of Prekmurje. In 1941, five Slovene settlements were established under the authority of NDH: Bregansko selo (now called Slovenska vas), Nova vas near Bregana (now Nova vas near Mokrice), Jesenice in Dolenjska, Obrežje and Čedem. The territory was about 20 square kilometers, with about 800 inhabitants at that time. The Italians in the beginning held a moderate policy in their occupied territory. In this way, bilingualism coincided, Italian was introduced into schools only as a teaching subject, all non-political, cultural and sports associations allowed it. In the occupied territory, composed of Ljubljana, Notranjska and Dolenjska with approximately 320,000 inhabitants, Italy established the Province of Ljubljana (Italian Provincia di Lubiana). After the first successful rebel actions of the occupants in the occupied territory, the Italian authorities changed the policy and began the program of ethnic cleansing [15]. The execution of this plot led to the expulsion of approximately 35,000 civilians, of whom in the Italian concentration camps, in 1942 and 1943, about 3500 men, women and children died of hunger and disease [16] That this was an attempt to ethnic cleansing, results not only from the very large number of people killed and displaced, but also from the statements and orders of the high Italian officers, and in particular from the content of the notorious 3C circular, signed by General Mario Roatta on March 1, 1942. ] The German form of occupation was the tiniest of all three, since they banned all Slovenian newspapers, German was introduced into schools as a language, the adults were violently enrolled in the Styrian Homeland Association and the Carinthian People's Union or their armed sections. The official language has also become German. They violently took away 600 children who seemed to satisfy the criteria of the Aryan race and assigned them to the Lebensborn organization, they introduced Nazi laws, and later began to mobilize the military, which was contrary to international law, ...

On April 26, 1941, the Anti-Imperialist Front was set up in Ljubljana (renamed the Liberation Front) in the German invasion of the Soviet Union, which began an armed struggle against the occupiers. The founding groups of the Anti-Imperialist Front were: the Communist Party of Slovenia, part of the Christian Socialists, the democratic part of the Liberal Gymnastical Society Sokol and a part of the cultural workers who were unconnected. In memory of this event was determined April 27 as the day of the resistance against the occupier.

In Volkmerjev prehod in Maribor, on April 29, 1941, two anti-German-style young men under the leadership of Bojan Ilich burned two personal cars of the German Civil Administration. This was the first rebuffing anti-occupation campaign in occupied Slovenia, which was born out of a revolt at the trance, which was visited by Hitler during the three days before that of most of the German Germans. Nazi police arrested about 60 young men, but they soon released them because they could not prove their participation in the fire. On June 22, 1941, the main command of the Partisan forces was established and on the same day, the Secrets of the Liberation Movement OF were published. Subsequently, on November 1, 1941, the Basic Points of the OF, whose points 8 and 9 were written under the influence of the Atlantic Charter, were also published. By the signing of the Dolomite Declaration on March 1, 1943, the leading role in the Liberation Front was taken over by the Communist Party of Slovenia, which in the victorious national liberation struggle itself assumed all power.

In 1943, a liberated territory was formed in Kočevje, where the OF organized the Kočevski Choir, in which it elected the highest organ of the Slovenian state, adopted a decision on joining the Primorska Slovenia and elected a delegation for the II. sitting AVNOJ.

At the end of the war, the Slovene Partisan army, together with the Yugoslav Army and the Soviet Red Army, freed the entire Slovenian ethnic territory. The VOS departments under the command of the Communist Party and the Soviet model, after the end of the war, mostly performed post-war extrajudicial killings against civilian and military personnel. Up to 600 graves have been evacuated so far throughout Slovenia.

Following the re-establishment of Yugoslavia at the end of World War II, Slovenia became part of the Socialist Federal Republic of Yugoslavia, declared on 29 November 1943. A socialist state was established, but because of the Tito–Stalin split, economic and personal freedoms were broader than in the Eastern Bloc. In 1947, Italy ceded most of the Julian March to Yugoslavia, and Slovenia thus regained the Slovenian Littoral. The towns of Koper, Izola, and Piran, Italian-populated urban enclaves saw mass ethnic Italian and anti-Communist emigration (part of the Istrian Exodus) due to the ongoing Foibe massacres and other revenge against them for Italian war crimes and due to their fear of Communism, which by 1947 had nationalised all private property.^{[citation needed]}

The dispute over the port of Trieste however remained open until 1954, until the short-lived Free Territory of Trieste was divided among Italy and Yugoslavia, thus giving Slovenia access to the sea. This division was ratified only in 1975 with the Treaty of Osimo, which gave a final legal sanction to Slovenia's long disputed western border. From the 1950s, the Socialist Republic of Slovenia enjoyed a relatively wide autonomy.

Between 1945 and 1948, a wave of political repressions took place in Slovenia and in Yugoslavia. Thousands of people were imprisoned for their political beliefs. Several tens of thousands of Slovenes left Slovenia immediately after the war in fear of Communist persecution. Many of them settled in Argentina, which became the core of Slovenian anti-Communist emigration. More than 50,000 more followed in the next decade, frequently for economic reasons, as well as political ones. These later waves of Slovene immigrants mostly settled in Canada and in Australia, but also in other western countries.^[26]

In 1948, the Tito–Stalin split took place. In the first years following the split, the political repression worsened, as it extended to Communists accused of Stalinism. Hundreds of Slovenes were imprisoned in the concentration camp of Goli Otok, together with thousands of people of other nationalities. Among the show trials that took place in Slovenia between 1945 and 1950, the most important were the Nagode Trial against democratic intellectuals and left liberal activists (1946) and the Dachau trials (1947–1949), where former inmates of Nazi concentration camps were accused of collaboration with the Nazis. Many members of the Roman Catholic clergy also suffered persecution. The case of bishop of Ljubljana Anton Vovk, who was doused with gasoline and set on fire by Communist activists during a pastoral visit to Novo Mesto in January 1952, echoed in the western press.^[27][28][29]

In the late 1950s, Slovenia was the first of the Yugoslav republics to begin a process of relative pluralization. A decade of industrialisation was accompanied also by a fervent cultural and literary production with many tensions between the regime and the dissident intellectuals. From the late 1950s onward, dissident circles started to be formed, mostly around short-lived independent journals, such as Revija 57 (1957–1958), which was the first independent intellectual journal in Yugoslavia and one of the first of this kind in the Communist bloc,^[30] and Perspektive (1960–1964). Among the most important critical public intellectuals in this period were the sociologist Jože Pučnik, the poet Edvard Kocbek, and the literary historian Dušan Pirjevec.

By the late 1960s, the reformist faction gained control of the Slovenian Communist Party, launching a series of reforms, aiming at the modernization of Slovenian society and economy. A new economic policy, known as workers self-management started to be implemented under the advice and supervision of the main theorist of the Yugoslav Communist Party, the Slovene Edvard Kardelj.

In 1973, this trend was stopped by the conservative faction of the Slovenian Communist Party, backed by the Yugoslav Federal government. A period known as the "Years of Lead" (Slovene: svinčena leta) followed. During this period, censorship and repression of the press and artists increased, while freedom of speech declined. Many people were jailed because of their political beliefs.

In the 1980s, Slovenia experienced a rise of cultural pluralism. Numerous grass-roots political, artistic and intellectual movements emerged, including the Neue Slowenische Kunst, the Ljubljana school of psychoanalysis, and the Nova revija intellectual circle. By the mid-1980s, a reformist fraction, led by Milan Kučan, took control of the Slovenian Communist Party, starting a gradual reform towards controlled political pluralism.

The Yugoslav economic crisis of the 1980s increased the struggles within the Yugoslav Communist regime regarding the appropriate economic measures to be undertaken. Slovenia, which had less than 10% of overall Yugoslav population, produced around a fifth of the country's GDP and a fourth of all Yugoslav exports. The political disputes around economic measures was echoed in the public sentiment, as many Slovenes felt they were being economically exploited, having to sustain an expensive and inefficient federal administration.

In 1987 and 1988, a series of clashes between the emerging civil society and the Communist regime culminated with the Slovene Spring. In 1987, a group of liberal intellectuals published a manifesto in the alternative Nova revija journal; in their so-called Contributions for the Slovenian National Program, they called for democratization and a greater independence for Slovenia. Some of the articles openly contemplated Slovenia's independence from Yugoslavia and the establishment of a full-fedged parliamentary democracy. The manifesto was condemned by the Communist authorities, but the authors did not suffer any direct repression, and the journal was not suppressed (although the editorial board was forced to resign). At the end of the same year, a massive strike broke out in the Litostroj manufacturing plant in Ljubljana, which led to the establishment of the first independent trade union in Yugoslavia. The leaders of the strike established an independent political organization, called the Social Democratic Union of Slovenia. Soon afterwards, in mid May 1988, an independent Peasant Union of Slovenia was organized. Later in the same month, the Yugoslav Army arrested four Slovenian journalists of the alternative magazine Mladina, accusing them of revealing state secrets. The so-called Ljubljana trial triggered mass protests in Ljubljana and other Slovenian cities. (See:1987-1988 Slovenia protests)

A mass democratic movement, coordinated by the Committee for the Defense of Human Rights, pushed the Communists in the direction of democratic reforms. These revolutionary events in Slovenia pre-dated by almost one year the Revolutions of 1989 in Eastern Europe, but went largely unnoticed by international observers.

At the same time, the confrontation between the Slovenian and Serbian Leagues of Communists (which was dominated by the nationalist leader Slobodan Milošević), became the most important political struggle in Yugoslavia. The poor economic performance of the Federation, and rising clashes between the different republics, created a fertile soil for the rise of secessionist ideas among Slovenes, both anti-Communists and Communists. On 27 of September 1989 the Slovenian Assembly made many amendments to the 1974 constitution including the abandonment of the League of Communists of Slovenia monopoly on political power and the reassertion of Slovenia's right to leave Yugoslavia.^[31]

In an action named "Action North" in 1989, Slovene police forces, members of which later organized their own veteran organization, prevented several hundred Milošević supporters from meeting in Ljubljana on 1 December at a so-called Rally of Truth, with an attempt to overthrow Slovenian leadership because of its opposition to Serb centralist policy. The action can be considered the first defense action for Slovenian independence.^[32][33][34]

On 23 January 1990, the League of Communists of Slovenia, in protest against the domination of the Serb nationalist leadership, walked out of the 14th Congress of the League of Communists of Yugoslavia which effectively ceased to exist as a national party – they were followed soon after by the League of Communists of Croatia.

In September 1989, numerous constitutional amendments were passed by the Assembly, which introduced parliamentary democracy to Slovenia.^[35][36] On 7 March 1990, the Slovenian Assembly passed the amendment XCI changing the official name of the state to the Republic of Slovenia dropping the word 'Socialist'. The new name has been official since 8 March 1990.^[37][38]

On 30 December 1989 Slovenia officially opened the spring 1990 elections to opposition parties thus inaugurating multi-party democracy. The Democratic Opposition of Slovenia (DEMOS) coalition of democratic political parties was created by an agreement between the Slovenian Democratic Union, the Social Democrat Alliance of Slovenia, the Slovene Christian Democrats, the Farmers' Alliance and the Greens of Slovenia. The leader of the coalition was the well-known dissident Jože Pučnik.^[39]

On 8 April 1990, the first free multiparty parliamentary elections, and the first round of the presidential elections, were held. DEMOS defeated the former Communist party in the parliamentary elections, by gathering 54% of the votes.^[37] A coalition government led by the Christian Democrat Lojze Peterle was formed, and began economic and political reforms that established a market economy and a liberal democratic political system. At the same time, the government pursued the independence of Slovenia from Yugoslavia.

Milan Kučan was elected president in the second round of the presidential elections on 22 April 1990, defeating the DEMOS candidate Jože Pučnik.

Milan Kučan strongly opposed the preservation of Yugoslavia through violent means. After the concept of a loose confederation failed to gain support by the republics of Yugoslavia, Kučan favoured a controlled process of non-violent disassociation that would enable the collaboration of the former Yugoslav nations on a new, different basis.

On 23 December 1990, a referendum on the independence of Slovenia was held, in which the more than 88% of Slovenian residents voted for the independence of Slovenia from Yugoslavia. Slovenia became independent through the passage of the appropriate acts on 25 June 1991.^[40][41] In the morning of the next day, a short Ten-Day War began, in which the Slovenian forces successfully rejected Yugoslav military interference.^[40][42] In the evening, the independence was solemnly proclaimed in Ljubljana by the Speaker of the Parliament France Bučar. The Ten-Day War lasted till 7 July 1991,^[42] when the Brijuni Agreement was made, with the European Community as a mediator, and the Yugoslav National Army started its withdrawal from Slovenia. On 26 October 1991, the last Yugoslav soldier left Slovenia.^[42]

On 23 December 1991 the Assembly of the Republic of Slovenia passed a new Constitution, which became the first Constitution of independent Slovenia.^[43]

Kučan represented Slovenia at the peace conference on former Yugoslavia in the Hague and Brussels which concluded that the former Yugoslav nations were free to determine their future as independent states. On May 22, 1992 Kučan represented Slovenia as it became a new member of the United Nations.

The most important achievement of the Coalition, however, was the declaration of independence of Slovenia on 25 June 1991, followed by a Ten-Day War in which the Slovenians rejected Yugoslav military interference. As a result of internal disagreements the coalition fell apart in 1992. It was officially dissolved in April 1992 in agreement with all the parties that had composed it. Following the collapse of Lojze Peterle's government, a new coalition government, led by Janez Drnovšek was formed, which included several parties of the former DEMOS. Jože Pučnik became vice-president in Drnovšek's cabinet, guaranteeing some continuity in the government policies.

The first country to recognise Slovenia as an independent country was Croatia on 26 June 1991. In the second half of 1991, some of the countries formed after the collapse of the Soviet Union recognized Slovenia. These were the Baltic countries Lithuania, Latvia, and Estonia, and Georgia, Ukraine, and Belarus. On 19 December 1991, Iceland and Sweden recognised Slovenia, and Germany passed a resolution on the recognition of Slovenia, realised alongside the European Economic Community (EEC) on 15 January 1992. On 13, respectively 14 January 1992, the Holy See and San Marino recognised Slovenia. The first transmarine countries to recognise Slovenia were Canada and Australia on the 15, respectively 16 January 1992. The United States was at first very reserved towards the Slovenian independence and recognised Slovenia only on 7 April 1992.

The recognition by the EEC was particularly significant for Slovenia, as in December 1991 the EEC passed criteria for the international recognition of newly founded countries, which included democracy, the respect for human rights, the government of law, and the respect for the national minority rights. The recognition of Slovenia therefore indirectly also meant that Slovenia had been meeting the passed criteria.^[44]

In December 1992, after the independence and the international recognition of Slovenia, Kučan was elected as the first president of Slovenia in the 1992 presidential election, with the support of the citizens list. He won another five-year term in the 1997 election, running again as an independent and again winning the majority in the first round.

Janez Drnovšek was the second Prime Minister of independent Slovenia. He was chosen as a compromise candidate and an expert in economic policy, transcending ideological and programmatic divisions between parties. Drnovšek's governments reoriented Slovenia's trade away from Yugoslavia towards the West and contrary to some other former Communist countries in Eastern Europe, the economic and social transformation followed a gradualist approach.^[45] After six months in opposition from May 2000 to Autumn 2000, Drnovšek returned to power again and helped to arrange the first meeting between George W. Bush and Vladimir Putin (Bush-Putin 2001).

Drnovšek held the position of the president from 2002 to 2007. During the term, in March 2003, Slovenia held two referendums on joining the EU and NATO. Slovenia joined NATO on 29 March 2004.^[46] and the European Union on 1 May 2004.^[47] On 1 January 2007 Slovenia joined the Eurozone and adopted the euro as its currency.^[48]

Janez Janša was Prime Minister of Slovenia from November 2004 to November 2008 for the first time. During the term characterized by over-enthusiasm after joining EU, between 2005 and 2008 the Slovenian banks have seen loan-deposit ratio veering out of control, over-borrowing from foreign banks and then over-crediting private sector, leading to its unsustainable growth.

Danilo Türk held the position of the president from 2007 to 2012.

Borut Pahor was Prime Minister of Slovenia from November 2008 until February 2012. Faced by the global economic crisis his government proposed economic reforms, but they were rejected by the opposition leader Janez Janša and blocked by referendums in 2011.^[49] On the other hand, the voters voted in favour of an arbitration agreement with Croatia, aimed to solve the border dispute between the countries, emerging after the breakup of Yugoslavia.^[49] In 2010, Slovenia joined the OECD.^[50]

Pahor has held the position of president since 2012. In November 2017, Slovenian President Borut Pahor was re-elected for a second term in close election.^[51]

Janša was Prime Minister of Slovenia from February 2012 until March 2013 for the second time. He was replaced by the first female PM in history of Slovenia, Alenka Bratušek, after the official anti-corruption agency's Report on the Parliamentary Parties' Leaders was issued.^[52][53][54] Former prime minister Janez Janša spent six months in prison in 2014 after being convicted on bribery charges related to a 2006 arms deal. Janša had denied any wrongdoing.^[55]

Miro Cerar was prime minister since September 2014 until March 2018. His government coalition included Cerar's Party of Modern Centre, the Social Democrats and pensioners’ party DeSUS.^[56]

In June 2018, the center-right Slovenia Democratic Party (SDS) of former prime minister Janez Janša won in the election. SDS secured 25 seats in the 90-seat parliament. A center-left party, The List of Marjan Šarec (LMŠ), was in second place with 13 seats. Cerar's Party of The Modern Centre was fourth with just 10 seats.^[57]

In August 2018, new prime minister Marjan Šarec formed a minority government made up of five center-left parties.^[58]

In January 2020, prime minister Šarec resigned because his minority government was too weak to push through important legislation.^[59]

In March 2020, Janez Janša became prime minister for third time in the new coalition government of SDS, the Modern Centre Party (SMC), New Slovenia (NSi) and Pensioners' Party (DeSUS). Janša had previously been prime minister from 2004 to 2008 and from 2012 to 2013.^[60] Janez Janša was known as a right-wing populist and an outspoken supporter of former US President Donald Trump. Janša was also known as an ally of right-wing Prime Minister Viktor Orban of Hungary.^[61][62]

In April 2022, liberal opposition, The Freedom Movement, won the parliamentary election. The Freedom Movement won 34.5% of the vote, compared with 23.6% for Janša’s Slovenian Democratic party.^[63] On 25 May 2022, Slovenia’s parliament voted to appoint the leader of Freedom Movement, Robert Golob, as the new Prime Minister of Slovenia to succeed Janez Janša.^[64]

In November 2022, Natasa Pirc Musar, liberal candidate and lawyer, won the second round of Slovenia's presidential election, becoming Slovenia's first female president.^[65]

On 23 December 2022, Nataša Pirc Musar became Slovenia’s fifth president to succeed her predecessor Borut Pahor.^[66]

• Breakup of Yugoslavia
• Divje Babe flute
• Habsburg monarchy
• History of the Balkans
• History of Europe
• History of Austria, History of Italy, History of Hungary, History of Croatia, History of Yugoslavia
• History of the Jews in Slovenia
• League of Communists of Yugoslavia
• List of presidents of Slovenia
• List of heads of state of Yugoslavia
• List of prime ministers of Yugoslavia
• Politics of Slovenia
• Prime Minister of Slovenia
• Ten-Day War
• Timeline of Slovenian history
• Republic of Prekmurje
• Slovene March (Kingdom of Hungary)

• Oto Luthar (ed), The Land Between: A history of Slovenia. With contributions by Oto Luthar, Igor Grdina, Marjeta Šašel Kos, Petra Svoljšak, Peter Kos, Dušan Kos, Peter Štih, Alja Brglez and Martin Pogačar (Frankfurt am Main etc., Peter Lang, 2008).

Wikimedia Commons has media related to History of Slovenia.

• Sistory.si – an education and research portal of Slovene historiography.
• History of Slovenia: Primary Documents