18 July

Events preceding British Declaration of War

 * British Fleet at Spithead: reviewed by King George V.

1915

 * - German attack at Souchez repulsed.
 * - Mackensen captures Krasnostav. Windau (Courland coast) captured. Russians retreat from north and west of Warsaw and on entire front of Vistula and Bug.
 * - Italian success on Isonzo, 2,000 prisoners.
 * - Turks reported to have ordered Greeks to evacuate Aivali (north of Smyrna).
 * No - Italian cruiser Giuseppe Garibaldi torpedoed.
 * - Prince Hohenlohe-Langenburg, German ambassador at Constantinople, received by King Ferdinand at Sofia.

1916

 * - North of Ovillers British advance on 1,000 yards front.
 * Germans make strong counter-attacks at Longueval and Delville Wood; retake part of latter. Germans again repulsed at Biaches (Somme).
 * For third day, close fighting round Fleury (Verdun).
 * - German seaplanes drop bombs on Reval (G. of Bothnia). Sakharov continues pressure against Austrians; drives them south of the Lipa.
 * - In Armenia, Russians continue advance; capture Kighi, an important junction on Erzerum-Baiburt road.
 * No - General Smuts reports steady clearance of Usambara district; enemy forces driven down Pangani river.
 * - Mr. Asquith makes short statement on Mesopotamia in House of Commons and refuses papers.

1917

 * - German attacks held south of St. Quentin and north-west of Verdun.
 * - Russians gain and lose Nowica (Galicia); heavy fighting.
 * No - Sir E. Geddes succeeds Sir E. Carson as First Lord of the Admiralty.
 * - Revolt in Petrograd crushed; order being restored.
 * Mesopotamia Report: Government announce further decision.
 * Petition to extend the Canadian Parliament will not be put forward. Australian repatriation scheme introduced.

1918

 * - High-water mark of the War. Great Allied counter attack on 27-mile front between Fontenoy (6.5 miles north-west of Soissons) and Belleau (6 miles north-west of Chateau-Thierry). French reach Monte de Paris (1 mile from Soissons) and 5 miles of Crise Valley, east of Buzancy.
 * South of Ourcq, French and Americans secure line Marizy-Hautvesnes-Belleau.
 * South of Marne Germans reach St. Agneau.
 * East of Reims French retake Prunay and defeat Prussian Guard east of Prosnes.
 * Aeroplane raid on Kent; no casualties.
 * - Debate in Reichsrat re "German Course" of Austrian policy.
 * Japanese Diplomatic Council approves U.S.'s proposal for intervention in Siberia.