The pilgrims sign the Mayflower Compact, Thomas Edison announces the phonograph, "Frankenstein" and "Rocky" premiere 45 years apart, and Tweety Bird makes his debut, all on this day.
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Keith Allison/Wikimedia Commons
1969: Baseball player Ken Griffey Jr., one of the most prolific home run hitters in baseball history, is born in Donora, Pa. A 13-time All-Star who spent most of his 22-year career with the Seattle Mariners and Cincinnati Reds, his 630 home runs rank as the sixth-most in MLB history.