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The United States Senate, in a 74 to 0 vote, declared war on Austria-Hungary on December 7, 1917, citing Austria-Hungary's severing of diplomatic relations with the United States, its use of unrestricted submarine warfare and its alliance with Germany. [137]
The United States L-class submarines were a class of 11 coastal defense submarines built 1914–1917, and were the most modern and capable submarines available to United States Navy when the country entered World War I. Despite being considered a successful design by the USN, war experience in European waters demonstrated that the boats lacked ...
In 1922 the United States, the United Kingdom, Japan, France and Italy signed the Washington Treaty on Poison Gas and Submarines, to so restrict the use of submarines as to make them useless as commerce raiders. [10] France did not ratify, so the treaty did not go into effect. In 1936, states signed the London Protocol on Submarine Warfare.
Pages in category "World War I submarines of the United States" The following 100 pages are in this category, out of 100 total.
The United States Navy focused on countering enemy U-boats in the Atlantic Ocean and the Mediterranean Sea while convoying men and supplies to France and Italy. Because of United States's late entry into the war, her capital ships never engaged the German fleet and few decisive submarine actions occurred. [1]
On February 1, Germany announced resumption of "unrestricted" submarine warfare, an act that led the United States to break off diplomatic relations with Germany on February 3. [24] The telegram, completely decrypted and translated. Hall passed the telegram to the British Foreign Office on February 5 but still warned against releasing it.
Von Trapp (1880–1947) was the most successful Austro-Hungarian submarine commander of the war. In addition to 11 merchant ships, he also sank the French armored cruiser Léon Gambetta and the Italian submarine Nereide. After the war, he lost most of his money, which had been deposited in an Austrian bank that failed.
Assigned to the Atlantic Submarine Flotilla, L-10 operated along the United States East Coast until April 1917 developing new techniques or undersea warfare. Following the United States's entry into World War I, submarines were needed to protect Allied shipping lanes to Europe.