This week in history 

October 6, 1648: Bohdan Khmelnytsky's rebellious Cossack host besieges Lviv. October 6, 1918: Kyiv State University is ceremoniously opened. October 7, 1959: Soviet orbit station Luna-3 photographs the reverse side of the Moon for the first time. October 7, 1963: Great Britain, the Soviet Union, and the United States sign a nuclear reductions agreement. October 8, 1944: Soviet troops take over all of Ukraine. October 8, 1991: Verkhovna Rada passes the Ukrainian citizenship bill. October 9, 1942: USSR Supreme Council nullifies the status of military commissars in the Red Army. October 9, 1991: Association of Youth Organizations of Ukraine (Ukr. abbr., SMOU) is officially registered. October 10, 1932: the Dniprohes hydropower station on the river Dnipro is made operational with the invariable Soviet pomp. October 10, 1941: Soviet troops have to retreat from the Ukrainian town of Sumy after sustaining pitched battles with the then victorious Nazi Wehrmacht. October 11, 1921: Kyiv hosts an All-Ukraine Orthodox Church Council establishing the Ukrainian Autocephalous Orthodox Church. October 11, 1942: USSR State Defense Council, headed by Joseph Stalin, resolves to uphold the partisan movement in Ukraine. October 12, 1920: the Russian Soviet  Federated Socialist Republic and the Ukrainian Soviet Socialist Republic sign a truce and preliminary peace accords with Poland. October 12, 1928: Aleksandrov Red Army Song and Dance Ensemble makes it first public appearance.