Gen. George Washington says goodbye to his troops, cheerleading is born, the "Spruce Goose" takes off, Truman defeats Dewey, and a federal holiday is created to honor Martin Luther King Jr., all on this day.
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MLB
1974: The Atlanta Braves trade home run king Hank Aaron to Milwaukee Brewers for outfielder Dave May and minor league pitcher Roger Alexander. Aaron, who started his Hall of Fame career playing for the Milwaukee Braves before they moved to Atlanta, would retire two seasons later with 755 career home runs.