Each year on Nov. 11, the world pauses to honor members of the armed forces who have served their country since World War I.
Armistice Day, as it was first known, became an official holiday in Britain in 1919 on the first anniversary of the peace treaty.
It later became a national holiday in several European countries and the United States. In the U.S., Veterans Day celebrates the service of all U.S. military veterans.
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