28.—Submarine campaign of Germans results in the sinking of 134 vessels during February.
March
3.—British advance on Bapaume.
3.—Mexico denies having received an offer from Germany suggesting an alliance.
8.—Count Ferdinand von Zeppelin dies.
10.—Russian Czar suspends sittings of the Duma.
11.—Bagdad captured by British forces under Gen. Maude.
11.—Revolutionary movement starts in Petrograd.
14.—China breaks with Germany.
15.—Czar Nicholas abdicates. Prince Lvoff heads new cabinet.