Slovenia joins the Kingdom of Serbs, Croats, and Slovenes following the collapse of the Austro-Hungarian Empire.
The Kingdom of Serbs, Croats, and Slovenes is renamed the Kingdom of Yugoslavia.
Slovenia becomes a constituent republic of Yugoslavia following the end of World War II.
Following the collapse of the Soviet Union, Slovenia declares independence causing the Yugoslav army to invade. The European Union later brokers a ceasefire and the Yugoslav army withdraws.
Slovenia signs an association agreement with the European Union.
Slovenia joins both the European Union and NATO following the approval from a national referendum the previous year.
The euro becomes the national currency.