Discover events in American history – plus the stamps that make them come alive.
Today’s Article
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March 18, 2026
First Human Spacewalk
On March 18, 1965, Alexei Leonov did what no human had ever done before—he stepped out of a spacecraft and into the vacuum of space. Suspended above Earth with only a thin tether holding him to life, Leonov’s daring walk marked a turning point in the early Space Race.
