OnThisDay: December 11th
1620 - 103 Mayflower pilgrims landed at Plymouth Rock
1719 - First recorded display of Aurora Borealis in US (New England)
1866 - First yacht race across the Atlantic Ocean
1901 - Marconi sent the first transatlantic radio signal (Cornwall to Newfoundland)
1909 - Colored moving pictures demonstrated at Madison Square Garden, New York NY
1951 - Joe Dimaggio announced his retirement from baseball
1967 - The People's front for the Liberation of Palestine (PFLP) was established
1975 - First class postage raised from 10¢ to 13¢
1981 - Muhammad Ali fought his 61st - and last - fight, losing to Trevor Berbick
1985 - Dow Jones closed above 1,500 for the first time (1,511.70)