1991 Event Soviets storm buildings in Vilnius to block Lithuania independence 1989 Event Soviet-U.S. agreement allows Soviets to fight U.S. pros 1988 Event Soviets stop jamming Radio Liberty; 1st time in 38 yrs 1988 Event Soviets 1st scheduled shuttle launch (postponed) 1978 Event Korean Air Lines Boeing 707, fired on by Soviets, crashes in Russia 1966 Event Soviets launch Kosmos 110 with Veterok and Ugolek, 1st 2-dog crew 1956 Event Holland and Spain withdraw from Olympics, protest Soviets in Hungary 1955 Event Soviets decides space center built in Baikonur, Kazachstan 1948 Event Soviets set up a separate municipal government in East Berlin 1948 Event Soviets blockades Berlin from west 1945 Event Polish Provisional Government of National Unity set up by Soviets 1944 Event Soviets march into Hungary and Czechoslovakia 1944 Event Soviets set up Polish Committee of National Liberation 1943 Event Soviets recapture Rostov 1943 Event Soviets announce they broke long Nazi siege of Leningrad 1939 Event Churchill calls Soviets "riddle wrapped in a mystery inside an enigma" 1918 Event Russia declared a republic of Soviets 1918 Event Soviets disallows a Constitution Assembly 1917 Event 1st Congress of Soviets convene in Russia 1917 Event Russian Dumas sets up Provisional Committee; workers set up Soviets 1917 Event Russian Duma sets up Provisional Committee; workers set up Soviets