Subcategories - Cold War
- Solidarity Regains Legal Status in Poland
- Soviet Jews Resist Oppression
- Soviet Troops Withdraw from Czechoslovakia
- Soviet Union Expels Solzhenitsyn
- Soviet Union Invades Afghanistan
- Soviet Union Invades Czechoslovakia
- Soviet Union Launches Sputnik
- Soviets Crush Hungarian Uprising
- Soviets Invade Czechoslovakia
- Soviets Take Control of Eastern Europe
- U-2 Incident
- U.S.-Soviet Summit
- U.S.S.R. Toppled, Paving the Way for Reforms in Former Soviet Republics
- The United States Airlifts Supplies to West Berlin
- United States Invades Grenada
- Walter Ulbricht
- Warsaw Pact Is Signed
- William Averell Harriman
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