The Zimmerman Note was a secret communication from the German Foreign Ministry to the Mexican government offering the Mexicans the recovery of territory in Arizona, New Mexico, and Texas that had been lost in 1836 and 1848 to the United States in exchange for Mexico’s entry into World War I on the side of the Central Powers. The note was sent by German Foreign Minister Arthur Zimmermann on January 16, 1917, intercepted by British intelligence, and passed to the United States government, which declared ware on Germany three months later. The Mexican government declined the German overture.
During WWII, the unique civilian organization did much to boost the morale of soldiers at home and abroad.
Acclaimed General Lloyd Fredendall lost his command after the debacle at the Battle of the Kasserine Pass.
The surprise attack on Pearl Harbor on December 7, 1941, benefited from the firsthand observation of spies on Oahu.