Births on September 23

Santo, Mexican Luchador enmascarado, film actor, and folk icon (d. 1984)

Santo ('saint' in various languages) may refer to:

22 Jan

Woodrow Wilson
World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe.
15 Mar

Nicholas II of Russia
Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
2 Apr

Woodrow Wilson
World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
5 Jun

Conscription
World War I: Conscription begins in the United States as "Army registration day".
27 Jul

Battle of Passchendaele
The Allies reach the Yser Canal at the Battle of Passchendaele.