19 July

Events preceding British Declaration of War

 * British Fleet at Spithead: reviewed by King George V.
 * Austria-Hungary: Press scare concerning alleged "Great Serbia" conspiracy.
 * King George V summons a Conference to discuss the Home Rule problem.

1915

 * - German attack near Les Eparges (Verdun), repulsed with heavy losses, also west and south-west of Souchez.
 * - Russians concentrating on Narev. Germans attacking north and south of Warsaw. Fiercest fighting on Lyublin-Kholm line.
 * - Italian success on Carso plateau after two days' fighting: capture of M. San Michele.
 * Total casualties in Dardanelles to 30 June, 42,434 announced in House of Commons.
 * - Venizelist movement gains ground as opposed to Germanophil policy of Gournaris.
 * Bulgaria again declares neutrality.

1916

 * - German attacks on Longueval and Delville Wood continued; British regain some lost ground, repulse attack on Waterlot Farm.
 * French take more trenches south of Estrees. Bombardment of Verdun front.
 * - In Persia Russians are defeated and driven back north of Kermanshah by Turks. 3rd Turkish Division discovered at Bir el Abd (Sinai).

1917

 * - Heavy German attacks south of Lombartzyde (Nieuport sector), south of St. Quentin, and north of the Aisne repulsed.
 * - German counter-offensive opens; Russian positions east of Zloczow (east Lemberg) pierced as a results of troops insubordination.
 * - Turkish cavalry force encountered west of Beersheba (Palestine) and driven back.
 * No - Report on operations in East Africa published.
 * Main German positions in the region of Narongombe (East Africa) attacked; heavy casualties on both sides.
 * - German Imperial Chancellor speaks in the Reichstag on the "Majority Resolution".
 * Statement issued on Russian and German Socialists meeting at Stockholm.
 * Attempted assassination of M. Kerenski.

1918

 * - French and Americans advance on Soissons-Thierry line, taking Vierzy (north of Ourcq) and Neuilly St. Front (south of Ourcq).
 * South of Marne, French retake Montvoison.
 * British capture Meteren (west of Bailleul), taking 300 prisoners.
 * No - British airmen, supported by detachment of Grand Fleet, bomb Zeppelin base near Tondern (Schleswig-Holstein).
 * French liner Australien (Messageries Maritimes) torpedoed in Mediterranean, 20 lost.
 * U.S. armoured cruiser "San Diego" sunk off Fire Island, off New York, 6 lost.
 * Justicia (White Star liner) torpedoed off north coast of Ireland, 10 lost.
 * - Honduras declares War on Germany.
 * British Ministerial changes. Admiral Sims made G.C.M.G.
 * Statement of Lord R. Cecil re Allies Trade Policy.
 * Denaturalisation Bill read third time in House of Commons.
 * Sedition Committee Report (Rowlatt) published in India.

1919

 * Peace celebrations in the United Kingdom.