When did Armenia declare independence from the Soviet Union?

Armenia declared its independence from the Soviet Union on September 23, 1991.12

Prior to this, the country had declared sovereignty on August 23, 1990, following the rise of a nationalist movement led by the Armenian National Movement (ANM). This 1991 declaration marked the formal end of Armenia's status as a constituent republic of the Soviet Union, a position it had held since 1936.123