Carpathians: Brusilov’s VIII Corps strikes at Austrian Second Army left flank, breaks XIX Corps on March 13. Second Army casualties 51,086 out of 148,848 (March 1-14).
Mesopotamia: British Euphrates Blockade Force (5-6 vessels) begins operations. Major Leachman arrives from India to work among Euphrates tribes.
Lake Victoria: HMS Winifred (4-inch gun) drives German Mwanza ashore near Rujenge; but latter refloated on March 17 as transport.
Lake Nyasa: Lt-Cdr Denniston of Royal Navy takes command of flotilla.
Britain extends absolute contraband list, France likewise on March 13.
Dardanelles: Churchill cables Carden, urging more decisive attack.
Aegean: German-commanded Turk torpedo boat Demirhisar torpedoes RN seaplane carrier Anne off Smyrna (operational again in August).
Germany: German treasury approves RM 2 million to support Russian revolutionary propaganda.
Britain: Canadian Training Division established at Shornclille, Kent.
Liverpool Dockers Work Battalion organized.