20th Century
| Year | Date | Event |
|---|---|---|
| 1902 | First telephone is mounted in Celje. | |
| 1907 | Electricity is used in a lead mine in Mežica. | |
| The Celje hall (Celjski dom) is built in Celje. | ||
| 1908 | The "Karavanken railway" is built. | |
| 1912 | The Preporod (Rebirth), a juvenile movement is established. Many members have political connections with the pro-Serb organization Young Bosnia (Mlada Bosna). | |
| A hydroelectric station in Završnica (2500 kW) is being built. (to 1915) | ||
| 1913 | Celje is electrified. Westen's dishes factory uses electricity in industry. | |
| 12 April | Ivan Cankar in Ljubljana gives a speech Slovenes and Yugoslavs for the socialist society Vzajemnost (Mutuality) about Slovenes to unite politically but not culturally with other South Slavs and Yugoslavism. | |
| 1914 | The railway on the route Novo mesto - Karlovac begins to run. | |
| 28 June | Austrian Archduke Franc Ferdinand an heir to the Austrian throne and his wife Countess Sophie are killed in Sarajevo, Bosnia at the hands of a pro-Serb nationalist assassin (a Bosnian Serb student Gavrilo Princip, a member of the Young Bosnia) – World War I begins. | |
| 1915 | The Soča River front. In 11 Soča offensives Italians captured just Gorizia (Gorica) and a few frontier sites. On these battlefields many Slovenes in Austro-Hungarian army died (for example at the Battle of Doberdò). (to 1918) | |
| 1917 | 30 May | May Declaration of Slovene, Croatian and Serb representatives in the Vienna parliament signed by Anton Korošec about arrangement of a unified common state of Slovenes, Croats, and Serbs living within the Habsburg monarchy. |
| 20 July | The Corfu Declaration is signed between the Yugoslav committee (Jugoslovanski odbor) and the Serb government and becomes the basis for the formation of the Yugoslav state. | |
| 24 October | The Battle of Kobarid between Austrian forces, reinforced by German units and the Italian army. The Italian army withdraws to the Piave River, where the they blocked the enemy before the arrive of the military assistance of the British and French. (to 9 November) | |
| 1918 | Nitrogen factory (Tovarna dušika) in Ruše is built. | |
| A hydroelectric station Fala on the Drave river (31.150 kW) is built. | ||
| 6 October | National Council of Slovenes, Croats, and Serbs is established in Zagreb. It becomes the political representative body of South Slavs in Austria-Hungary. | |
| 29 October | National Council of Slovenes, Croats, and Serbs breaks off all relations with Austria-Hungary and proclaims a short-lived State of Slovenes, Croats and Serbs. Slovenia joins a new state with an independent State authority. The state is not recognized internationally. | |
| 1 November | General Rudolf Maister takes over the authority of the Maribor garrison. | |
| 3 November | Austria-Hungary surrenders. | |
| 18 November | Germany surrenders. World War I ends. | |
| 1 December | The State of Slovenes, Croats and Serbs joins with the Kingdom of Serbia and the Kingdom of Montenegro to form the Kingdom of Serbs, Croats and Slovenes (SHS). Today it is believed that this was a great historical fault although at that time this was probably the only sensible decision because Italy according to the London Pact with the victorious Entente forces from 1915 without bias occupied Primorska, Istria (Istra) and Zadar in Dalmatia and Serbia was pressing for unification. | |
| 1919 | The University of Ljubljana (Univerza v Ljubljani) is established. | |
| 18 January | The Paris Peace Conference begins. Woodrow Wilson gives his "14 Points" address. The 9th and the 10th are crucial for Slovenes within former Austro-Hungarian borders. | |
| 28 June | The Treaty of Versailles is signed between Germany and victorious three Entente powers. | |
| 10 September | The Treaty of Saint-Germain with republic of Austria. It confirms the break of Austria-Hungary. Its territory comes down to newly formed countries Austria, Hungary, Czechoslovakia, Poland, Romania, and the Kingdom of Serbs, Croats and Slovenes. South Tyrol with its German population and Trentino fall to Italy. | |
| 1920 | The "Kulturbund" - a cultural and educational organization of German national minority is established. Later becomes the nazi organization, which operates in Yugoslavia as a fifth column. | |
| 4 June | The Treaty of Trianon with Hungary Burgenland (Gradiščansko) falls to Austria and Transmuraland (Prekmurje) to the Kingdom of Serbs, Croats and Slovenes. | |
| 13 July | Croatian National hall in Pula and Slovene national hall in Trieste are burned down by Italian fascists. | |
| 14 August | A security agreement is signed between Czechoslovakia and the Kingdom of Serbs, Croats and Slovenes. | |
| 10 October | Carinthian Plebiscite. | |
| 12 November | The Treaty of Rapallo between Italy and the Kingdom of Serbs, Croats and Slovenes, where Slovenia loses almost the whole province of Primorska, which is incorporated back again after the 2nd World War. Italy also gets the whole Istria together with the Trieste region (Tržaško). | |
| 1921 | 28 June | St. Vitus Day Constitution (Vidovdanska ustava) is adopted. It legalizes a monarchal regulation and centralism in a new state and also the supremacy of the court and the Serb politics linked with it. |
| July | An allied treaty for insurance of a situation in East Europe, attained in the Paris Peace Conference, is made by Romania and the Kingdom of Serbs, Croats and Slovenes. This alliance supplements the security agreement between Czechoslovakia and the Kingdom of Serbs, Croats and Slovenes and gets the name “Little Entente”. | |
| 1922 | Julian March (Julijska krajina) is incorporated to Italy. | |
| 1923 | March | Prefect of Julian March interdicts Slovene and Croatian language at the administration. |
| 1925 | 15 October | Italian king issues a decree, which interdicts Slovene and Croatian language also at courts of justice. |
| 1927 | Founding of the TIGR at Goriško, Slovene anti-fascist organisation, first such European organization and a secret youth organization Borba (The fight) at the Trieste region. | |
| 1929 | 6 January | The king Alexander I. with a coup d'état dissolves the parliament and establishes the January 6 Dictatorship. He abolishes the St. Vitus Day constitution, freedom of the press and the pooling rights. |
| 3 October | The king Alexander I renames the Kingdom of Serbs, Croats and Slovenes as the Kingdom of Yugoslavia. All political parties are prohibited. | |
| 1930 | Italian fascists discover some TIGR's cells and five members of TIGR (other sources of Borba) are killed at Bazovica. | |
| 1931 | 9 May | To hide a dictatorship the king Alexander I. initiates the bestowal constitution, which introduces the two-chamber parliament. |
| 1933 | 16 February | The Little Entente formed between Romania, the Kingdom of Yugoslavia and Czechoslovakia. |
| 1934 | 9 February | The Balkan Entente formed between Romania, the Kingdom of Yugoslavia, Greece and Turkey. |
| 9 October | The king Alexander I. Karađorđević, who reigned since 1921, is assassinated in Marseille together with a French foreign minister Louis Barthou by Croatian extremist nationalists. | |
| 1935 | Milan Stojadinović becomes prime minister. His government begins to drop Yugoslavia's traditional leaning toward France and starts to connect economically and politically with Germany and Italy. | |
| 1937 | The National Academy of Sciences and Arts is established in Ljubljana. | |
| 1938 | Some members of TIGR plan an attempt on Italian Fascist leader Benito Mussolini's life, when he visits Kobarid. | |
| 13 March | Adolf Hitler annexes Austria to the Nazi Germany. Slovenes in Austrian Carinthia practically become German citizens. | |
| December | Dragiša Cvetković becomes prime minister. He signs an agreement with the leader of Croatian opposition Vladko Maček allowing for the foundation of the Banovina of Croatia as the sole autonomous political and territorial unit in the Kingdom of Yugoslavia. This agreement does not solve the national problem since it just distributes the authority among Serbs and Croats. | |
| 1941 | 6 April | German, Italian and Hungarian occupying forces occupy Slovenia and divide it into three parts. One of the darkest times of the Slovene history begins. |
| 11 April | German army occupies the Zasavje districts, where important pits, heavy industry and traffic crossroads lie. | |
| 17 April | Royal Yugoslav army signs its surrender in Belgrade. | |
| 19 April | A Nazi politician and SS chief leader Heinrich Himmler visits Celje and among other he inspects the prison of the Stari pisker ("Old pot"). | |
| 26 April | An anti-fascist organization, the Liberation Front of Slovene nation (Osvobodilna fronta Slovenskega ljudstva) (OF) is established in Ljubljana. It is active on all Slovene ethnical territory, as well in Carinthia, Primorska region in the Venetian province and Slovene Raba region (Slovene Slovensko Porabje, Hungarian Szlovén-vidék or Rába-vidék). | |
| 8 May | A decision about the organization of the OF in the Zasavje districts in Trbovlje, Zagorje and Hrastnik is adopted. | |
| July | Armed resistance begins. | |
| 1 August | The first Slovene partisan unit in the Zasavje distrincts, the Revirje company (Revirska četa) is established at the Čemšeniška Alpine meadow. 70 fighters were counted. | |
| 12 December | A battle between German policemen and Slovene partisans near the village of Rovte. | |
| 1943 | 1 March | Dolomiti Declaration. |
| 16 September | The supreme plenum of OF proclaims the association of Slovene maritime province (Slovensko primorje) to Slovenia. | |
| 29 November | Second session of AVNOJ in Jajce. | |
| 1945 | 2 May | Troops of Yugoslav 4th Army together with Slovene 9th Corpus NOV, New Zealand units and Italian resistance liberate Trieste. |
| 5 May | First postwar Slovene national government is named and elected by the SNOS (Slovene National Liberation Council) at the Bratina Hall in Ajdovščina. | |
| 8 May | British 8th Army together with Slovene partisan troops and motorized detachment of Yugoslav 4th Army arrives to Carinthia and Klagenfurt. | |
| 9 May | General Alexander Löhr Commander of German Army Group E near Topolšica, Slovenia signs unconditional capitulation of German occupation troops. World War II in Slovenia ends. | |
| 25 May | Forced repatriation of Slovene military and civilians from Viktring, Austria to various postwar execution sites including the Kočevski Rog massacre and the Teharje camp. | |
| 12 June | Trieste stops being under the administration of Yugoslav army. | |
| 1947 | 10 February | 21 countries sign the Paris peace conference with Italy. |
| 15 September | Free Territory of Trieste (STO - Svobodno tržaško ozemlje) is established in Ljubljana. | |
| 1948 | 18 March | Soviet Union calls back all its specialists from Yugoslavia. The Communist Party of the Soviet Union accuses the Communist Party of Yugoslavia of not being democratic, that it leans toward imperial powers, that returns back to capitalism, and that it diverts from Marxism. The Informbiro begins. Economic blockade and a threat of military intervention follow. |
| 1954 | Free Territory of Trieste expires after the London Memorandum is signed between the US, Great Britain, Italy and Yugoslavia. Trieste becomes Italian. Slovenia gets the north of Istria. | |
| 1955 | Informbiro ends. Josip Broz Tito and Nikita Khrushchev sign the Belgrade declaration, which also recognizes a Yugoslav form of socialism. | |
| 1978 | The "South railway" is electrified. | |
| 1980 | 4 May | Tito dies in central hospital in Ljubljana |
| 1990 | 23 December | The independence referendum where 88.5% of electorate vote for the independent and sovereign Republic of Slovenia. |
| 1991 | 25 June | Slovenia becomes an independent republic through passage of appropriate documents |
| 26 June | Slovenia solemnly declares its independence from SFR Yugoslavia (SFRJ). | |
| Slovenia removes Yugoslav border signs and marks its own. Yugoslav People's Army (YPA) sends 2,000 soldiers from the baracks across Slovenia to occupy the border and the Ten-Day War begins. | ||
| 27 June | Ten Day War. YPA takes over border posts, but most of the YPA soldiers are blocked in their barracks, where they are denied water and electricity. (to 6 July) | |
| 1 July | Germany unilaterally recognises Slovenia as a state. | |
| 7 July | The Brioni Agreement between Slovenia and SFRY under political patronage of European Economic Community (EEC) is signed. Ten-Day War ends. YPA is set to leave Slovenia in 3 months. Fewer than 100 people died in the clashes, mostly YPA soldiers (45), but important precedent is set for the wars in the rest of SFR Yugoslavia. | |
| 26 October | Last troops of YPA leave Slovenia. | |
| 23 December | Independent Slovenia gets a new, democratic constitution. | |
| 1992 | 15 January | All members of the European Economic Community recognize Slovenia as a state. |
| 24 March | Slovenia becomes a member of the Organization for Security and Co-operation in Europe. | |
| 7 April | The United States recognize Slovenia as a state. | |
| 22 May | Slovenia becomes a member of the United Nations. | |
| 6 December | 1st presidential elections. Milan Kučan becomes the president for the period 1992-1997 with 795,012 votes (63,93%) from 8 candidates. | |
| 1993 | 14 May | Slovenia is accepted to the Council of Europe. |
| 1997 | 23 November | 2nd presidential elections. Milan Kučan again becomes the president for the period 1997-2002 with 595,877 votes (55.57%) from 8 candidates. |
| 1998 | 1 January | Slovenia becomes a non-permanent member of UN Security Council. |
Read more about this topic: Timeline Of Slovenian History
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