The Sistine Chapel's ceiling is unveiled, the National Weather Service makes its first forecast, the U.S. explodes its first hydrogen bomb, and Honda opens its first U.S. factory, all on this day.
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1946: The New York Knicks play the Toronto Huskies at the Maple Leaf Gardens, in the first Basketball Association of America game. The Knicks would win 68–66. The BAA would became the NBA after merging with its rival, the National Basketball League, in 1949.