events
March 1, 1917
The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
Zimmermann telegram
The Zimmermann telegram was a secret diplomatic communication issued from the German Foreign Office on January 17, 1917, that proposed a military contract between the German Empire and Mexico if the United States entered World War I against Germany. With Germany's aid, Mexico would recover Texas, Arizona, and New Mexico. The telegram was intercepted by British intelligence.
Federal government of the United States
The federal government of the United States is the national government of the United States.
Plaintext
In cryptography, plaintext usually means unencrypted information pending input into cryptographic algorithms, usually encryption algorithms. This usually refers to data that is transmitted or stored unencrypted.