Cold war arms race

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US arms race

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Trinity Test

July 16, 1945

Atomic bomb dropped on Japan

August 6, 1945

Trinity Test

July 25, 1946

H-bomb test

1952

Tsar Bomba

Oct. 30 1961

Soviet arms race

Last of the Romanovs

Mar. 15 1917

Russian civil war

Oct. 25, 1918

The Soviet Union Hydrogen bomb

Aug. 29 1949

H-bomb

1953

Sputnik

Oct. 4 1957

Sputnik 2

Nov. 3 1957

Soviet space race

V-2 Rocket

October 3, 1942

USSR launches Sputnik 1.

Oct. 4 1957

Photo graph of the moon

October 1959

Venera 4 transmits data about the atmosphere of Venus.

Oct. 18, 1967

Soyuz 4 & 5 perform the first Soviet spacecraft docking.

Jan. 16, 1969

Us space race

Sent a dog up in space

NOV. 3 1957

Sent Satellite

Jan 31, 1958

Pioneer 1 is launched to a height of 70,700 miles.

Oct. 11 1958

The "Mercury Seven" astronauts are selected by NASA.

Apr. 2 1959

The crew of Apollo 7 begin a 10 day mission to study the new spacecraft.

Oct. 11, 1968