4 mai 1916 - Sussex Pledge

Description:

The Sussex Pledge was an agreement made by Germany to the U.S. to allow submarine warfare to merchant ships but not to passenger ships. This happened because, on March 24, 1916, the Germans torpedoed a U.S. passenger ship in the French cross-channel.

Info: https://www.britannica.com/event/Sussex-Incident#ref100986

Pictures: http://www.american-historama.org/1913-1928-ww1-prohibition-era/sussex-pledge.htm

Political Cartoon: https://encyclopedia.1914-1918-online.net/article/sussex_pledge