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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 - Trevithicks Engine
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chris55/Wikimedia Commons

1804: The first self-propelling steam locomotive makes its debut at the Pen-y-Darren Ironworks in Wales. The engine successfully carried 10 tons of iron, five wagons and 70 men nearly 10 miles in four hours and five minutes, an average speed of approximately 2.4 mph. However, it was too heavy for the cast iron rails used at the time. The locomotive only ran three trips before it was abandoned. Pictured is a model of the locomotive at the National Waterfront Museum in Swansea, Wales.

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