Britain: BEF GHQ orders 40 Mk I tanks, Lieutenant-Colonel Swinton increases order to 100 (appointed commander of Machine-Gun Corps unit for crews on February 16).
Canada: 240,000 volunteers enlisted to date.
Verdun: German offensive postponed to February 21, because of rain and snowstorms. French 14th and 51st Divisions given vital time to get up.
Champagne: French attack west of La Main-de-Massiges.
Western Russia: Russians repulsed south of Dvinsk but retake Garbonovka, repulse German attacks on February 15.
Mesopotamia: British Tigris bridge completed upstream of Wadi.
Armenia: Yudenich attacks Erzerum (until February 16).
Germany: Kaiser order allows U-boats to attack armed steamers as from February 29, but passenger liners excluded on February 24.
North Sea: Harwich Force flagship cruiser Arethusa mined (by German coastal-submarine UB) off Felixstowe returning from vain sortie to catch German ships.