The Christmas Truce of 1914 saw soldiers from opposing sides spontaneously ceasing hostilities to celebrate Christmas together, sharing food, and even playing games.
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Hedy Lamarr, famous for her Hollywood beauty, co-invented a frequency-hopping spread spectrum communication system during World War II, a technology foundational to modern Wi-Fi and Bluetooth.
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Genghis Khan's real name wasn't Genghis Khan; that was a title meaning "universal ruler," bestowed upon him later in life. His birth name was Temüjin.
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