On this day: February 21

Published On: Feb 20 2013 11:46:53 PM CST   Updated On: Feb 21 2014 01:00:00 AM CST

The Washington Monument is dedicated, Alka-Seltzer is sold for the first time, the peace symbol is born, Malcolm X is assassinated, and Nixon heads to China, all on this day.

OTD February 21 - sewing machine
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U.S. Patent Office

1842: John Greenough is granted the first U.S. patent for the sewing machine.

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