Today in History
1642 Georgiana (York) in Maine becomes the 1st incorporated American city
1780 Pennsylvania becomes 1st US state to abolish slavery (for newborns only)
1847 Michigan becomes 1st English-speaking jurisdiction to abolish the death penalty (except for treason against the state)
1869 US Postage stamps showing scenes issued for 1st time. These pictorials showed a post horse and rider, a locomotive, a shield, an eagle, and a ship, the Adriatic.
1872 Yellowstone becomes the world's 1st national park
1954 US explodes Castle Bravo, a 15 megaton hydrogen bomb at Bikini Atoll, which accidentally became the most powerful nuclear device ever detonated by the US
1975 Colour television transmissions begin in Australia.
1973 Pink Floyd release their album "Dark Side of the Moon" since sold over 45 million copies
1969 New York Yankees legend Mickey Mantle announces his retirement due to persistent knee injuries; finishes 18-season career with 536 home runs and .298 batting average
