1960 to 1991: The Nuclear Arms Race

1960 to 1991: The Nuclear Arms Race

Timeline Image: 
Bomb test

October 10, 1963

The Limited Test Ban Treaty, signed by JFK and Nikita Khrushchev, enters into effect. The LTBT bans all nuclear weapons tests above ground, in the atmosphere, underwater, and in outer space.

October 30, 1961

The Soviet Union detonates Tsar Bomba, the largest nuclear device in human history. The weapon yielded 57 megatons of TNT, four times larger than any nuclear device tested by the United States. The amount of explosive energy released by Tsar Bomba amounted to all of the explosives used during World War II multiplied by ten!

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