Croatian Independence Day (Dan Neovisnosti) is celebrated on June 25th. The holiday was established in 2001, but was celebrated on October 8th from 2002 to 2019 which was the day in 1991 when Croatian Parliament declared to end relations with all of the Socialist Republics of Yugoslavia. June 25th, 1991 was the day when Croatian Parliament declared independence from Socialist Federal Republics of Yugoslavia.