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Start of the Cold War
The start of the cold war is not concrete, but it is said to have begun in the late 1940's after WWII. -
Period: to
Sputnik and Chain Reaction Events
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Launch of Sputnik
The USSR sent the first artificial satellite into Orbit around Earth -
Launch of Sputnik II
Sputnik II was launched containing a dog named Laika, becoming the first biological spacecraft -
First US Satellite
The Explorer I was launched by the United States, their first successful attempt. -
NASA Founded
The National Aeronautics and Space Administration was formed. -
First Man to Enter Space
The USSR successfully launched a human into orbit, Yuri Gagarin. -
First Man on the Moon
The United States successfully landed a man on the moon, Neil Armstrong. -
End of the Cold War
The fall of the Soviet Union ended the Cold War.
