 Complete the following phrase:  Anti-Fascist Struggle Day  is a legally mandated public holiday in Croatia. It is observed on 22 June and commemorates the formation of the First Sisak Partisan Detachment a Communist-led guerrilla unit in the Axis-allied Independent State of Croatia on 22 June 1941. On that day, Germany attacked the Soviet Union and the Communist Party of Yugoslavia CPY received orders from the Moscow-based Comintern to come to the Soviet Unions aid. Prior to that, although Yugoslavia had been 