Science Behind Television Reasearch Task

First Earth Satellite

Oct 4, 1957

First Animal in Space

Nov 3, 1957

First Spacecraft to Reach Lunar Distance

Jan 2, 1959

First Spacecraft toStrike the Moon

Sep 12, 1959

First Human in Space

Apr 12, 1961

First Multi-person Spaceflight

Oct 12, 1964

First Spacewalk

Mar 18, 1965

First Lunar Landing

Jul 16, 1969

First Space Station

Jun 6, 1971

First Visit to Lunar Mountains and First Lunar Rover

Jul 26, 1971

First One-Month Mission

May 25, 1973

First International Piloted Space Mission

Jul 15, 1975

First Six-Month Mission

Feb 25, 1979

First Reusable Spacecraft

Apr 12, 1981

First Un-Tethered Spacewalk

Feb 3, 1984

First In-Space Satellite Repair

Apr 6, 1984

First Year-Long Space Mission

Dec 21, 1987

First Docking of Space Shuttle and Mir Space Station

Jun 27, 1995

First International Space Station Visit

Dec 4, 1998

Pluto Being Declassified as a Planet

Sep 13, 2006