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The Soviet Union launched a dog into orbit first. -
Explorer 1 -
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pilot Alan Shepard -
astronaut John H. Glenn -
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First onboard computer.
First docking of crewed and uncrewed spacecraft (Gemini VIII with Agena)
First propulsion maneuver with docked Agena (Gemini X) -
cosmonaut Alexei Leonov -
astronaut Edward White -
Apollo 1 - a fire erupted and rapidly asphyxiated all three astronauts. -
Yuri Alekseyevich Gagarin -
Apollo 7 - the first three-person American crew to launch to space. -
Apollo 11 -perform a crewed lunar landing and return to Earth.