Skylab Returns to Earth
On July 11, 1979, Skylab, the first manned US space laboratory, returned to Earth after six years in space. The success of the Skylab project encouraged the continued inclusion of humans in space study.
Space Exploration
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World Stamp Expo 2000
World Stamp Expo 2000 opened on July 7, 2000. Several US postal firsts were issued during the show, including the first round, pentagonal, and holographic stamps.
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Birth of Sally Ride
Sally Ride was born on May 26, 1951, in Encino, Los Angeles, California. In 1983, she became the first American woman in space, and the third woman overall, after two Soviet cosmonauts.
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Discovery of Uranus
On March 13, 1781, William Hershel discovered Uranus, the first of the planets to be discovered in modern times.
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Birth of Nicolaus Copernicus
Nicolaus Copernicus was born on February 19, 1473, in Thorn, Poland. A pioneering astronomer, he suggested that the planets revolve around the sun at a time many believed the planets revolved around the Earth.
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First Untethered Spacewalk
On February 7, 1984, two NASA astronauts conducted the first untethered spacewalk – leaving the space shuttle Challenger without being connected by a cable.
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Launch of Explorer I
Late in the evening of January 31, 1958, the US launched its first satellite, Explorer I. It was an important milestone in America’s space race with the Soviet Union.
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Launch of Apollo 8
On December 21, 1968, Apollo 8 launched from Kennedy Space Center. It was the second manned spaceflight mission in the Apollo program, and the first to leave low Earth orbit, travel around the moon and safely return to Earth. It was also the first human spaceflight launched from Kennedy Space Center.
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Birth of Alan Shepard
Alan Bartlett Shepard Jr was born on November 18, 1923, in Derry, New Hampshire. He was the first American (second person after Yuri Gagarin) to travel into space and the fifth person to walk on the Moon.
