1960 May--Soviet Unions reveals that U.S. spy plane was shot down over soviet territory.
November--John F. Kennedy was elected president.
1961
April--Bay of pigs invasion
July--Kennedy requests 25% spending increase for military
August 13--Berlin Border closed
August 17--Construction of Berlin wall begins
1962
U.S. involvement in Vietnam increased
October-- Cuban missile crisis
1963
July--Nuclear test ban treaty ratified
November--president Kennedy assassinated in Dallas,Texas
1964
August--gulf of tonkin incident
1965
April--U.S. marines sent to dominican republic to fight communism
July--announcement of dispatching of 150,000 U.S. troops to Vietnam
1968
January--north Korea captured U.S.S. pueblo
August--Soviet troops crush Czechoslovakia revolt
1969
July 20--Apollo 11 lands on the moon