The first Social Security check is issued, America launches its first satellite into orbit, McDonald's comes to Moscow, and "Avatar" hits the $2 billion mark, all on this day.
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NASA
1961: Ham the Chimp becomes the first chimpanzee launched into outer space by the American space program when he rides a Mercury rocket on a 16-minute suborbital flight. Ham had his vital signs and tasks monitored using computers on Earth before splashing down in the Atlantic Ocean.