Timeline

1910-1930's
Robert Goddard -- Developed Liquid Propelled Rockets that were far more advanced than those of their time. These rockets were later used to launch humans into space.
Werhner Von Braun -- Developed V-2 Rocket for Germany and later shared secrets with the U.S. after escaping from Germany.
1940's
1957
Sputnik 1 -- (Soviet Union) First artificial satellite of the Earth.
Sputnik 2 -- (Soviet Union) First animal in space.
1957
1958
Mercury -- (U.S.) Mercury Project Started by NASA.
Yuri Alekseyevich Gagarin -- (Russia) First human being into space.
1961
1961
Apollo -- The Apollo Project was unveiled by John F. Kennedy
Gemini -- (U.S.) Gemini Project Started by NASA.
1962
1963
Valentina Vladmirovna Tereshkova -- (Russia) First woman into space.
Voskhod 1 -- (Soviet Union) First multiperson space mission.
1964
1967
Apollo 1 -- (U.S.) The crew of Apollo 1 were killed in a fire while testing their capsule.
Apollo 8 -- (U.S.) First space craft to orbit the moon.
1968
1969
Apollo 11 -- (U.S.) First human to land on the moon.
Apollo 17 -- (U.S.) Last humans to land on the moon.
1972
1981

Space Transportation System Implemented -- (U.S.) First manned reusable spacecraft (STS-1) Columbia SpaceShuttle.
Challenger -- (U.S.) The space shuttle Challenger exploded 72 seconds after launch. The explosion was blamed on a faulty O-Ring on the right booster.
1986
1986
Mir -- (Soviet Union) First space station inhabited by rotating crews.
Voyager 2 -- (United States) First flyby of Neptune.
1989
1990
Hubble Telescope -- Launched to take long range pictures without the interference of the atmosphere.
Mars Global Surveyor -- NASA launched the MGS to study Mars' surface features, atmosphere, and magnetic properties.
1996
1998
International Space Station -- First sections of Space Station assembled.
Discovery Space Station Assembly Flight 2A.1 -- Projected to launch May 20 with first visitors to the International Space Station.
1999
1999
Galileo -- Galileo will begin its Europa Mission studying the atmosphere and surface of the planet.
Stardust -- The stardust probe will intercept the comet Wild-2 and collect particles from the comets tail. Two years later it will return those samples back to Earth for scientific analysis.
2004

Randall Gordon, Eric Mackie, J.D. Scott, Marrisa Dietz