Western Front
Heavy German artillery hit British and French troops as they continue their slow advance around St. Quentin, France.
France: President Poincare and generals meet in train at Compiegne to reconsider offensive. Nivelle threatens to resign, but given approval provided attack called off after 48 hours, if expected gains not forthcoming. 5,350 guns now bombarding German positions east of Vauxaillon (north-east of Soissons) to north of Reims.
Mannock posted to No 40 Squadron. 5 Sopwith Pups of No 3 (Naval) Squadron destroy all of 4 Halberstadt fighters.

Political, etc
United States: US House of Representatives passes war resolution at 1300 hours,. The vote is 373 to 50. United States of America declares war on Germany (see February 3rd). The text of US president Wilson’s declaration of war: https://i2.wp.com/ww2-weapons.com/w...f-war.jpg?ssl=1 . The US seizes 87 German ships in her ports (14 Austrian ships seized on April 9).

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