Timeline: Science Behind Television Reasearch Task | Timetoast

Oct 4, 1957

First Earth Satellite
Nov 3, 1957

First Animal in Space
Jan 2, 1959

First Spacecraft to Reach Lunar Distance
Sep 12, 1959

First Spacecraft toStrike the Moon
Apr 12, 1961

First Human in Space
Oct 12, 1964

First Multi-person Spaceflight
Mar 18, 1965

First Spacewalk
Jul 16, 1969

First Lunar Landing
Jun 6, 1971

First Space Station
Jul 26, 1971

First Visit to Lunar Mountains and First Lunar Rover
May 25, 1973

First One-Month Mission
Jul 15, 1975

First International Piloted Space Mission
Feb 25, 1979

First Six-Month Mission
Apr 12, 1981

First Reusable Spacecraft
Feb 3, 1984

First Un-Tethered Spacewalk
Apr 6, 1984

First In-Space Satellite Repair
Dec 21, 1987

First Year-Long Space Mission
Jun 27, 1995

First Docking of Space Shuttle and Mir Space Station
Dec 4, 1998

First International Space Station Visit
Sep 13, 2006

Pluto Being Declassified as a Planet