Western Front: Immelmann flies 3-gun Fokker E IV in combat.
Somme: French attacks on Vache Wood and Signal (Frise), recaptured (February 6-13).
Flanders: Germans shell Loos.
Conrad offers all German troops south of Pripet back to Falkenhayn who insultingly refuses, but only 2 divisions remain by June with German Army commanders.
Italian Front – Conrad gives first orders for spring offensive in Trentino: 14 divisions with 240 heavy guns to be assembled for attack on April 6, including VIII Corps from Serbia and 3 divisions and 60 heavy guns from Eastern Front. Troops begin arriving mid-February along single railway south of Trent.
Salonika: British 7th Mounted Brigade begins arriving, and temporarily an Royal Navy Division brigade (February 21 til early March) before Admiralty recall whole division from Mediterranean. French 17th Colonial Division arrives late February.
East Africa: Anglo-Belgian Conference at Lutobo. Smuts selected to succeed Smith-Dorrien (public on February 10).
Adriatic: 2 British cruisers, French destroyer Bouchier and Italian destroyer Bronzetti drive 6 Austrian torpedo boats (2 collide) with a destroyer back to Cattaro thus covering Serb Army evacuation to Corfu. Bad weather helps further until February 26.