On this day: April 18

Published On: Apr 16 2013 03:57:58 PM CDT   Updated On: Apr 18 2014 01:00:00 AM CDT

Paul Revere rides, an earthquake and fires ravage San Francisco, Albert Einstein dies, Grace Kelly becomes a princess, and the U.S. embassy in Beirut is hit by a deadly car bomb, all on this day.

OTD April 18 - Superman
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1938: "Action Comics #1" is published, featuring the first appearance of Superman. The June cover-dated issue was published by National Allied Publications, a corporate predecessor of DC Comics, and is considered the first true superhero comic. The superhero was created by Jerry Siegel and Joe Shuster. While the cover price for the first issue of the anthology series was 10 cents, it has become the most valuable comic book of all time, with one copy selling at auction for $2.16 million in 2011.

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