On this day: November 21

Published On: Nov 20 2012 02:35:16 AM CST   Updated On: Nov 21 2016 01:00:00 AM CST

Thomas Edison announces the phonograph, "Frankenstein" terrorizes moviegoers, Tweety Bird makes his debut, and millions tune in to find out "who shot J.R.," all on this day.

OTD November 21 - Bloody Sunday
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Public domain

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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