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On this day: July 15

Published On: Jul 10 2013 03:20:40 PM CDT   Updated On: Jul 15 2013 01:00:00 AM CDT

Jerusalem falls to the Crusaders, the Rosetta Stone is uncovered, Napoleon surrenders, the Nintendo Entertainment System debuts in Japan, and Psy unleashes "Gangnam Style" on the Internet, all on this day.

OTD July 15 - Emil Kraepelin
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Public domain

1910: In his book "Clinical Psychiatry," Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.

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