A Partial Timeline of Ukraine including Crimea under Soviet Rule

1917 - February - Overthrow of Tsar
1917 - October - Bolshevik Revolution
1917 - December - Cheka Founded
1918- January - Ukrainian independence declared
1918 - September - Red Terror declared
1919 - March - Politburo established
1920 - April - Poland invades Ukraine
1920 - October - Polish-Soviet armistice
1920 - November - Red Army defeats Wrangel and takes Crimea
1921 - March - NEP
1921-1922 - Famine
1922 - December - USSR founded
1924 - January - Lenin dies
1928 - May - Shakhty Trial
1929 - Forced collectivization and dekulakization begins
1930-1932 - Mass deportation of kulaks to special settlements by OGPU
1932-1933 - Holodomor
1936 - Deportation of ethnic Poles and Germans from western Ukraine to Kazakhstan by NKVD
1937 - 1938 - The Great Terror
1939 - August - Molotov-Ribbentrop Pact
1940 - 1941 - Mass deportations of ethnic Poles and Jews from western Ukraine by NKVD
1941 - June - Nazi invasion of USSR
1941 - August - First NKVD roundups of ethnic Germans in Ukraine for forced labor in the labor army
1941- August - Deportation of ethnic Germans from Crimea by NKVD
1941 - September - Nazis occupy Kiev
1941 - September - Mass deportation of ethnic Germans from eastern Ukraine to Kazakhstan by NKVD
1944 - May - Mass deportation of Crimean Tatars to Uzbekistan by NKVD
1944- June -Mass deportation of Crimean Armenians, Greeks, and Bulgarians eastward by NKVD
1945 - February - Yalta Conference
1947-1948 - Deportation of western Ukrainians to Siberia by NKVD in course of fighting against UPA
1946-1947 - Famine
1954 - Crimea transferred from RSFSR to Ukrainian SSR
1961 - Soviet government closes Monastery of the Caves
1964 - April - Fire at Ukrainian Academy of Sciences
1970 - Ukrainsky Visnik founded
1972 - January - Widespread arrests among Ukrainian dissidents
1972 - May - Shelest removed as first secretary of Ukrainian CP and replaced by Shcherbitsky
1976 - Ukrainian Helsinki Watch Group founded
1989 - July - Coal miners strike in Donbass
1989 - September - Rukh founded
1991 - December - Ukrainian referendum on independence passed overwhelmingly

Sources: Georffry Hosking, The First Socialist Society: A History of the Soviet Union from within, Second Enlarged Edition, (Cambridge, MA: Harvard University Press, 1993), pp. 503-517 and Nicolas Werth, Chronological Index: Mass Crimes under Stalin (1930-1953).