An intercepted German telegram shocked Americans on March 1, 1917—sparking outrage, ending neutrality, and pulling the U.S. into WWI.

March 1st marks the 100th anniversary of the day that newspapers published a story about the Zimmerman telegram, one of the key incidents that led the United States to actively fight The Great War.

Publication of an intercepted cable exposed a clumsy German effort to forge an alliance with Mexico and helped propel the United States into the Great War.

The restored home of the Mexican Telegraph Company’s Galveston transmission shack. The historic Zimmerman Telegram, which played some role in galvanizing support for U.S. involvement in World War I, ...

Add Yahoo as a preferred source to see more of our stories on Google. On this day in 1917, President Woodrow Wilson learned of a shocking piece of paper that made America’s entry into World War I ...

User-Created Clip by CSPANCLASSROOM November 12, 2014 2012-11-22T17:22:00-05:00https://images.c-span.org/Files/e8d/20121122172611003_hd.jpgThomas Boghardt explained ...

On March 1, 1917, an explosive story hit the front pages of major U.S. newspapers, about a German telegram that had fallen into the hands of the American government. By then, the United States was ...

On Monday’s Houston Matters: Two victims from the so-called “Texas Killing Fields” are identified. Yo-Yo Ma plays on the border. Galveston’s connection to an infamous WWI telegram. Answers to your pet ...

An account of what was probably the most important intelligence coup of the First World War. A specialist in the history of espionage and covert operations during the Great War, in The Zimmermann ...

Fort Huachuca, Arizona - "…we make Mexico a proposal of alliance on the following basis: make war together, make peace together, generous financial support and an understanding on our part that Mexico ...

GALVESTON, Texas (AP) — A small but significant piece of Galveston and American history has been commemorated with the unveiling of the latest Texas historical marker on the island, behind the 1838 ...