Cold war nuclear arms race

Soviet Union

Soviets detonate their first atomic bomb

August 29, 1949

Soviet Union detonated its first atomic bomb, at the Semipalatinsk Test Site in Kazakhstan.

Soviets create their own version of US Hydrogen Bomb


Soviets successfully launch Sputnik into orbit.

Oct 4 1957

Sputnik 2 was launched, with the first living being on board.

November 3 1957

Soviet nuclear warhead bunker under construction in Cuba

Oct 23, 1962

United States

U.S. created first atomic bomb

July 16, 1945

US detonates first Nuclear bomb


US beats soviets in creating the first Hydrogen (thermo-nuclear) bomb.

The US launches the world's first nuclear submarine

January 21 1954

US creates NASA (National Aeronautics and Space Administration


In response to Sputnik, NASA is created by US. NASA eventually returned the US to the forefront of space research.

Explorer 6 is launched into orbit to photograph the Earth.

August 7 1959

US spy plane phorographs missile on a launching site in cuba.

October 14, 1962


Iron Curtain Falls

May 1945

US informs Soviet Union that the US has nuclear weapons

July 24 1945

US rep. confronts USSR rep. @ UN conference about Soviet Missiles

Oct 25, 1962

US & USSR create test ban treaty on Nuclear weapons


Treaty outlawed nuclear testing in the atmosphere, in outer space, and underwater.

The U.S starts bombinh Communist sanctuaries in Cambodia.

March 17 1969