On this day: February 20

Published On: Feb 19 2013 06:12:59 PM CST   Updated On: Feb 20 2016 01:00:00 AM CST

The Post Office is born, World War II gets its first flying ace, John Glenn becomes the first American to orbit the Earth, and a fire at a Great White concert leaves 100 dead, all on this day.

OTD February 20 - Paricutin
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K. Segerstrom/U.S. Geological Survey

1943: The Parícutin volcano begins to form from a fissure in a cornfield in Parícutin, Mexico. The volcano grew quickly, reaching five stories tall in just a week, and could be seen from a distance in a month. After a year it stood roughly 1,102 feet tall and would eventually top out at 1,391 feet after about nine years of activity.

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