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May 17, 1099
First Crusade
Jerusalem is re-taken from the Muslims on the urging of Pope Urban II. -
May 17, 1270
Other crusades follow including the eighth crusade, but the armies still fail to capture Jerusalem
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May 17, 1337
Hundred Years' War with England
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May 17, 1348
The Black Death invades Europe for the first of many times. It is believed that one third of the population perished within the first year.
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Charlemagne rules as King of the Franks and is crowned as Holy Roman Emperor