Today in History—February 20: The Eleventh Duel Commandment? No Dueling: Media
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February 20, 1839: Why did Congress outlaw dueling?
Library of Congress Washington, D.C. (LC-DIG-pga-10864), Library of Congress Washington, D.C. (LC-DIG-pga-04883); Photo Illustration Encyclopædia Britannica, Inc.