On this day in 1928, the Chillicothe Baking Company sold the first pre-sliced, wrapped loaves of bread. 

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On this day, the Piper Alpha oil rig exploded and caught fire. 

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On this day in 1996, the cloned sheep Dolly was born. 

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On this day in 1997, Mars Pathfinder landed on Mars. 

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On this day in 1938, the world speed record for steam locomotives was set when Mallard went 126 miles per hour. 

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On this day in 1925, Congolese politician, Pan-Africanist, and independence leader Patrice Lumumba was born.

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On this day in 1960, Ghana was declared a republic, and Kwame Nkrumah was inaugurated as president.

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On this day in 1908, an explosion occurred near the Podkamennaya Tunguska River in Russia that was likely caused by a meteorite or comet bursting.

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On this day in 1520, Aztec emperor Moctezuma died, either at the hands of Spaniards or Aztecs unhappy with his rule.

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On this day in 1968, New York City police raided the Stonewall Inn, a gay bar, sparking nights of riots that became a major moment of resistance in the history of the LGBTQ rights movement.

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