1917 Europe from USMA
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Jan.-Mar. - Germany withdrew to Hindenberg Line; Nivelle planned attack against shoulders rather than center
Feb. 1 - Germany declared unrestricted submarine warfare.
Apr. 1 - Armed Merchant Ship filibuster in U. S. Senate.
Apr. 6 - U. S. entry into the war.
Apr. 9 - Battle of Arras - British attack at first successful, Canadians took Vimy Ridge, but delayed, allowed German reserves to come up and stop British by Apr. 23.
Apr. 14 - George Creel's Committee for Public Information for propaganda
Apr. 16 - George Goethals Emergency Fleet Corporation for shipbuilding
Apr. 24 - Viviani mission invited the Yanks
May 1 - Army Expansion Act for mobilization
May 5 - Mutinies began in French army, 54 divisions, Petain replaced Nivelle.
June 7 - Battle of Messines Ridge - on south of Ypres salient, 19 tunnels exploded 1 million lbs explosives, 3-week bombardment.
July 31-Nov. - Third Battle of Ypres (Passchendaele)
Aug. - Verdun offensive recovered territory lost to Germans in 1916.
Oct. 24 - Battle of Caporetto on River Isonzo won by Germany, after 11th Battle of Isonzo Aug-Sept, battle began Oct. 24 by German 14th Army with 7 new divisions, Rommel broke through lines with nfiltration tactics; by 3rd day italian army collapsed.
Nov. - Bolshevik Revolution and Radicalism
Dec. - Finland independent - Gustave Mannerheim vs. Red Army
1917 July 6 - Lawrence and Arabs took Aqaba in the Mideast.
1917 Dec. 11 - Allenby entered Jerusalem.