This state holiday is always celebrated on 25 June. In Slovenian, it is known as 'Dan državnosti'. This holiday is Slovenia's national day and commemorates Slovenia's declaration of independence from Yugoslavia on 25 June 1991.

Historically part of the Austria-Hungarian Empire until its collapse at the end of World War I, Slovenia was one of the six republics that formed Yugoslavia.

In December 1990, the Slovenian independence referendum had resulted in a 94.8% vote in favour of establishing an independent Slovenia.

The formal declaration of independence was on 26 June 1991, but since many of the legislation relating to independence was passed on 25 June, it is this date that is remembered and celebrated on Statehood Day.

The proclamation started the Ten-Day war with Yugoslavia, which resulted in victory for Slovenia.

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