1863 – Arizona is organized as a U.S. territory.
1920 – The Nazi Party is founded.
1917 – The U.S. ambassador to the United Kingdom is given the Zimmerman Telegram, in which Germany pledges to ensure the return of New Mexico, Texas and Arizona to Mexico should Mexico declare war on the U.S.
1968 – The Tet Offensive is halted, and South Vietnam recaptures Hue.
