Western Front: No 24 Squadron (Major Hawker, VC) first RFC single-seater fighter squadron reaches France (No 29 on March 25; No 32 on May 25) with DH2s.
3 Royal Flying Corps FE2bs of No 20 Squadron protect British Second Army reconnaissance aircraft east of Ypres despite 14 German aircraft approaching.
Mesopotamia: Chief of Imperial General Staff orders British 13th Division and 7th Mounted Artillery Brigade to theatre.
Euphrates: 2,900 British soldiers evacuate Butaniya harassed by 5,000 Arabs.
Britain: Four Glasgow shop stewards arrested to conduct prejudicial to war effort, sentenced on February 10. Two more arrested and deported on March 29.