Create a timeline of the space race/space program from 1955-1975. Note: The events listed do not fall within this timeline. Please include accurate events from 1955-1975 instead.

The timeline from 1955 to 1975 outlines key events in the Space Race, including the launch of Sputnik and the Apollo Moon landing. It also mentions the first space shuttle mission (Columbia), the tragedy of Challenger, and the last shuttle mission (Atlantis). This period was pivotal in the development of human spaceflight and the U.S.-Soviet space competition.

Explanation:

Timeline of the Space Race and Space Program (1955-1975)

1955: U.S. announces plans to launch an artificial satellite, igniting the Space Race.
1957: The Soviet Union launches Sputnik 1, the first artificial satellite.
1958: The U.S. creates NASA (the National Aeronautics and Space Administration).
1961: Yuri Gagarin becomes the first human in space.
1962: John Glenn orbits the Earth, becoming the first American to do so.
1969: Apollo 11 mission successfully lands astronauts Neil Armstrong and Buzz Aldrin on the Moon.
1971: The Soviet Union launches Saljut 1, the first space station.
1975: Apollo–Soyuz Test Project marks the first international human spaceflight.

Space Shuttle Missions

First Space Shuttle Mission: STS-1 (Columbia) launched on April 12, 1981.
Challenger: Tragically, STS-51-L (Challenger) launched on January 28, 1986, ended in disaster.
Last Space Shuttle Mission: STS-135 (Atlantis) launched on July 8, 2011, marking the end of the Space Shuttle program.

The timeline highlights significant events during the Space Race and notable missions such as the Challenger and the Columbia shuttles.

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