The Sussex

March 24, 1916

-French passenger ship
-German attack
-80 Killed (2 Americans)

The Sussex Pledge

March 24, 1916 - January 31, 1917

-The German government promised that U-Boats would warn ships before attacking
- Jan 1917 - Germany resumes unrestricted submarine warfare to keep an upper hand in the war

British intercepted German telegram

January 1917

U.S. broke diplomatic relations with Germany

February 3, 1917

Wilson warned war would follow if American interests were violated at sea

“The California”

February 6, 1917

-German sub sinks U.S. passenger ship “California” off the coast of Ireland
-Ship sank in 9 minutes and resulted in the death of 45 people

British released the transcript to President Wilson

February 24, 1917

-Arthur Zimmermann (German Foreign Secretary)
-If Mexico declared war on the United States, Germany would reward it with American land in the Southwest

Published in American Papers

March 1, 1917