November 11, a legal holiday in the U.S. in commemoration of the end of World Wars I and II and in honor of veterans of the armed services.
Origin of Veterans Day
probably earlier than 1950–55, Americanism
Formerly Armistice Day.
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British Dictionary definitions for veterans day
the US equivalent of Armistice Day
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012