26 June

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

• Post Armistice: Fighting at Berlin and Hamburg.

References/notes

Lord Edward Gleichen (1918–1920). Chronology of the War. Volumes I, II & III. Constable & Company, London. (Copyright expired)