| End of 6th century: | Slavs begin settling the valleys of the Sava, Drava and Mura rivers, and under pressure from the Avars, reach the shores of the Black Sea, Friuli plains, the Danube, Adriatic Sea and Lake Balaton. |
| 7th century: | Western Slavic tribes form an alliance with the Slavic Duchy of Carantania with its centre in present day Austrian Carinthia. |
| 745: | Carantania becomes a part of the Frankish empire. The Slavs convert to Christianity and gradually lose their independence. |
| 869 to 874: | Prince Kocelj briefly establishes an independent state of Slovenes in Lower Pannonia. |
| 10th century: | Alongside the growing influence of Christianity the Slovenian language is increasingly used in religious services. The Freising Manuscripts, the oldest written records in the Slovenian language, originate from this period. |
| 14th to 16th century: | The Habsburg monarchy was the first to include all of the Slovenian regions. |
| 1551: | Protestant Primoľ Trubar publishes Katekizem (The Cathecism), the first book written in the Slovenian language. |
| 1584: | Jurij Dalmatin translates the Bible into Slovenian. Adam Bohorič writes a grammar book for Slovenes. |
| 1848: | Slovenian intellectuals issue the first political programme for a United Slovenia. |
| 1918 - October: | Liberation of all Slovenes from the territory of the former Austro-Hungarian monarchy is declared, and in December the Kingdom of Serbs, Croats and Slovenes is formed. |
| 27 April 1941: | The formation of the OF (Liberation Front), an anti-Nazi coalition, which becomes the pillar of the partisan struggle against the German, Italian and Hungarian occupation after the capitulation of the Kingdom of Yugoslavia. |
| 1945: | Fighting with the Germans in Carinthia and Styria ended on May 15th (Last battle of WWII). |
| 29 November 1945: | Federal Peoples' Republic of Yugoslavia (FLRJ) is officially declared. |
| 1945: | The process of nationalisation begins, gradually bringing private business, industry and land ownership under state control. |
| 1988 to 1990: | The military trial of three journalists and an army officer leads to calls for an independent Slovenia. Events following are known as the Slovenian spring, ending with the first parliamentary multiparty democratic election in the former state (April,1990). |
| 23 December 1990: | 88.5 % of voters at the referendum cast their vote for an independent Slovenia. |
| 25 June 1991: | The Republic of Slovenia officially declares its independence. |
| 27 June 1991: | The Yugoslav Army attacks Slovenia. |
| 7 July 1991: | By signing the Brioni Declaration the Yugoslav Army terminates its military involvement in Slovenia. |
| 25 October 1991: | The last Yugoslav soldier leaves Slovenia. |
| 23 December 1991: | The Slovenian Constitution is adopted. |
| 15 January 1992: | The European Union officially recognises Slovenia. |
| 22 May 1992: | Slovenia becomes a permanent member of the United Nations. |
| 7 November 1992: | Parliament adopts the Law on Privatisation of Socially-Owned Companies. |
| 6 December 1992: | The first elections are held in independent Slovenia. |
| 14 May 1993: | Slovenia becomes a full member of the Council of Europe. |
| 30 March 1994: | Slovenia becomes a member of the Partnership for Peace and a year later a member of the North Atlantic Council for Cooperation, which was replaced by the Euro-Atlantic Partnership Council in 1997. |
| 27 September 1994: | Slovenia signs the accession declaration in Geneva for incorporation in the General Agreement on Tariffs and Trade. Slovenia thus becomes a founding member of the World Trade Organisation (23 December 1994). |
| 6 March 1995: | The European Union Council of Ministers grants a mandate for negotiations to begin between the EU and Slovenia on an association agreement. |
| 1 January 1996: | Slovenia becomes a full member of the Central European Free Trade Agreement (CEFTA). |
| 10 June 1996: | Slovenia and the European Union sign an association agreement. |
| 25 June 1996: | The Western European Union (WEU) Council welcomes Slovenia as a WEU associate partner. |
| 1 January 1998: | Slovenia becomes a non-permanent member of the United Nations Security Council. |
| 1 February 1999: | Association agreement with the EU comes into effect. |
| 16 April 2003: | The EU Accession Treaty was signed in Athens. |
| 29 March 2004: | Slovenia becomes a member of NATO. |
| 1 May 2004: | Slovenia joins the European Union. |
| 1 January 2007: | Euro becomes the monetary unit of the Republic of Slovenia |
