On this day: May 7

Published On: May 06 2013 02:54:21 PM CDT   Updated On: May 07 2016 01:00:00 AM CDT

Joan of Arc leads the French to victory, the Germans sink the Lusitania, the Nazis surrender, the 27th Amendment is ratified after two centuries, and Mercedes-Benz and Chrysler announce a $40 billion merger, all on this day.

OTD May 7 - Geoffrey Dummer
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Robert Cathles/Wikimedia Commons

1952: The concept of the integrated circuit or microchip, the basis for all modern computers, is first published by Geoffrey W.A. Dummer.

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