German airship "L.-19" founders in the North Sea.
British Government request naval assistance from Japan
Military Service Act comes into operation in Great Britain
German Government send Note to United States Government stating that defensively armed merchantmen will be treated as belligerents from March 1st onwards.
Entente Powers make declaration guaranteeing to Belgium eventual independence and indemnification.
War Office take over anti-aircraft defence of London from the Admiralty, and become responsible for anti-aircraft defence generally throughout the kingdom.
War Office take over from the India Office control of operations in Mesopotamia.
Battle of Verdun begins
Battles of the Western Front: Grinding Battles of Attrition in 1916 — Verdun
German airship "L.Z.-77" brought down by French gunfire at Revigny
German Government inform United States Government that defensively armed merchantmen will henceforth be regarded as cruisers.
Fort Douaumont (Verdun) stormed by German forces
The nucleus of a British air squadron formed to bomb German industrial centres
Action in North Sea between German raider "Greif" and British auxiliary cruiser "Alcantara": both sunk.