November 11

1918 – At at 5:45 a.m Paris Time (UTC +1), aboard a railroad car in Compiègne forest France, the Allied Entente & German delegations sign an armistice, ceasing all hostilities between the parties,  to take effect at 11:00 a.m. Paris Time.

1921 – The Tomb of the Unknown Soldier is dedicated by President Harding at Arlington National Cemetery.