On this day: November 21

Published On: Nov 20 2012 02:35:16 AM CST   Updated On: Nov 21 2012 01:00:00 AM CST

The pilgrims sign the Mayflower Compact, Thomas Edison announces the phonograph, "Frankenstein" and "Rocky" premiere 45 years apart, and Tweety Bird makes his debut, all on this day.

OTD November 21 - Bloody Sunday
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1920: In Dublin, 31 people are killed in a series of events in the Irish War of Independence during a day that becomes known as "Bloody Sunday." The death toll included 14 British informants, 14 Irish civilians and three Irish Republican Army prisoners. Pictured is the Cairo Gang, a team of undercover British agents working and living in Dublin, whom were assassinated by the Irish Republican Army the morning of Nov. 21.

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