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Hungarian Uprising
Nov 1956
USSR-Sputnik 1
Oct 1957
USA-Pioneer 1
Oct 1958
U2 crisis
May 1960
USSR- first man in space
April 1961
First American in space
May 1961
Berlin wall built
Aug 1961
Cuban Missile Crisis
Oct 1962
Nuclear Test Ban Treaty
Oct 1963
The Prague Spring
Aug 1968