1915
- Template:WF Battle of the Argonne begins; Crown Prince attacks.
- Template:EF Russians repulse heavy German attacks on Bukaczowce-Halicz front (eastern Galicia), but retreat.
- Template:PO General Sukhomlinov, Russian Minister for War, resigns; General Polivanov succeeds him.
1916
- Template:WF Battle of Verdun: French gain near Thiaumont work. British patrols active.
- Template:AE Russians advance west in northern Persia. Turks prepare to leave Mosul. Turks driven from Lake Urmia (Persia).
- Template:PO General demobilisation ordered in Greece. Germans threaten to stop Swiss coal supply if their cotton purchases are not delivered.
1917
- Template:WF British advance astride Souchez river; La Coulotte occupied.
- Template:SF Small Italian withdrawal on Mt. Ortigara.
- Template:AE Russians take Serdesht (Persia).
- Template:PO Report of Mesopotamia Commission published.
1918
- Template:WF British take point west of Vieux Berquin (10.5 miles west of Armentières). German air-raid on Paris.
- Template:EF Peace Treaty between Germany and Finland ratified.
- Template:PO Labour Conference in London. House of Lords approves principle of League of Nations. Strike of aircraft workers.
1919
References/notes
Lord Edward Gleichen (1918–1920). Chronology of the War. Volumes I, II & III. Constable & Company, London. (Copyright expired)