3-2-1... And Liftoff: Manned Space Flights Mark 50th Anniversary: "On this date 20 years apart, two milestones were reached that set the tone for human space exploration.
The Soviet Union took the first leap, surprising the world on April 12, 1961, launching air force pilot Yuri Gagarin into orbit -- a single 108-minute loop around Earth -- making him the first human to fly in space. And 20 years later, America launched the era of the workhorse, reusable space shuttle as Columbia flew its first mission with just two astronauts, John Young and Robert Crippen."
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