This week in history 

April 13, 1944:  Soviet troops take Simferopol from the Germans. April 14, 1768:   the Koliyivshchyna, the largest Haidamaky rebellion against Polish dominance, breaks out in Ukraine. April 14, 1919:   the Soviet government decrees the foundation of a corrective labor camp system, marking the beginning of the notorious GULAG Archipelago. April 14, 1994:   Ukraine accedes to the CIS Economic Union Treaty as an associate member. April 16, 1710:   Pylyp Orlyk is elected Hetman of Ukraine in exile. April 16, 1995:   direct international telephone code 380 becomes operational (Ukraine was the first post-Soviet country to receive such a code). April 17, 1924:   the All-Ukraine Central Executive Committee passes a decree to care for homeless children. April 17, 1970:   the Ukraine Palace of Culture, one of the USSR's largest such institutions, opens in Kyiv. April 18, 1947:   the first Soviet A-4 ballistic missile is launched from the trial ground of Kapustin Yar. April 19, 1937:   the Central Executive Committee of the Ukrainian SSR passes a decree on the National Emblem of the Ukrainian Soviet Socialist Republic. April 19, 1979: USSR Council of Ministers resolves to open a state university in Zaporizhzhia.