Christina of Sweden was born on this day in 1626. In the new-style calendar, she was born Dec. 18.

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On this day, French sculptor Camille Claudel was born. 

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Japan attacked Pearl Harbor, Hawaii, on this day in 1941, bringing the United States into World War II.

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On this day in 1963, instant replay debuted in the CBS broadcast of the Army-Navy college football game in Philadelphia. 

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The Halifax Disaster occurred on this day in 1917. There's more on the tragedy in the December 19, 2011 episode of Stuff You Missed in History Class.

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On this day in 1912, the now-iconic bust of Nefertiti was unearthed in Egypt. 

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The Mary Celeste was spotted adrift on this day in 1872. You can learn more in the January 24, 2013 episode of Stuff You Missed in History Class.

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On this day in 1952, a toxic smog that killed thousands of people descended on London. Click here to learn more about the incident in an episode of Stuff You Missed in History Class called "The Great London Smog." 

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Rainer Maria Rilke was born on this day in 1875.

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On this day in 1865, Edith Cavell - a nurse who helped Allied soldiers escape Belgium during World War I - was born.

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