Answer :

Veteran's Day is the day when we honor the people who risked their life to protect us. We also honor the people who severed in the U.S.A military. During Veteran's Day we held ceremonies. 
 or this:
 In November 1919, President  Wilson proclaims that November  11 as Armistice Day. An act approved on May 13, 1938  made Armistice day a legal holiday. Also the name Armistice Day was changed into Veteran's day. The purpose for Veterans day was to honor the Americas Veterans's Patriotism .