
1519: Ferdinand Magellan sets off on the first successful circumnavigation of the globe; if by "successful" you mean Magellan getting killed along the way, losing four of his five ships and only 22 of his 270 men making it back alive.
1968: Mickey Mantle hits final career homer, #536; celebratory round of drinks lasts until spring training 1971.
1972: Police find cannabis growing on Paul & Linda McCartney's farm; "Oh, we thought it was just, you know, weeds back there," says McCartney, just barely able to keep a straight face.
1973: Billy Jean King beats Bobby Riggs in battle-of-the-sexes contest to determine which one of the two tennis players is the biggest attention whore.
1985: Walt Disney World's 200-millionth guest overpays for parking, guest passes, popcorn...
1990: East and West Germany ratify reunification; mapmakers rejoice.