1 July

1915

 * - Germans (Mackensen) occupy Zamosc (near Upper Bug). Germans (Linsingen) cross Gnila Lipa south of Rohatyn (Galicia). Russians evacuate bridgehead near Tarlov (Vistula).
 * No - Leyland liner Armenia torpedoed off Cornish coast. Otavi (south-west Africa) occupied by General Botha. HMS Lightning damaged by mine or torpedo.
 * - British Commission on trade with Sweden arrives Stockholm. Total German casualties to date, reckoned at 1,700,000, of which 306,000 killed, and 500,000 permanently disabled.

1916

 * - Great Franco-British offensive begins on 25-mile front north and south of Somme. British capture Montauban and Mametz; break through towards Bapaume. French attack towards Peronne; reach outskirts of Hardecourt and Curlu; take Dompierre, Becquincourt, Bussus, and Fay. 5,000 prisoners taken.
 * - River Pruth Russians advance north-west of Kolomea. Austro-Germans progress north-west of Tarnopol.
 * - Vigorous Italian attacks continued north of upper Isonzo.
 * - In Persia the Turks defeat Russians; pursue them to Kermanshah.

1917

 * - Violent bombardment, followed by German attacks in Cerny-Ailles sector (northern Aisne); enemy losses heavy. Successful French counter-attack north-west of Verdun.
 * - Russian offensive, under General Brusilov, opens on 50-mile front, on either side of Brzezany (Galicia); three lines of trenches and 12,000 prisoners taken. To the south stubborn fighting, heavy Russian losses.
 * - Austrians very active in the Trentino. Attacks repulsed by Italians.
 * - Announcement in Holland of assurance by Lord Derby that Britain will not strike at Germany through Holland if she remains neutral. Young Chinese Emperor, Hsuan Tung, restored.

1918

 * - French capture St. Pierre Aigle (village north-west of Forest of Villers-Cotterets). Americans capture Vaux (west of Château-Thierry). British air raids on Mannheim, Coblenz, Thionville and Trèves.
 * - Italians gain positions in north-west of Monte Grappa.
 * No - U.S. transport "Corrington" torpedoed and sunk, 6 lost. Five British aeroplanes bomb Austrian base at Cattaro. Portuguese East Africa: Germans under Lettow-Vorbeck fight British and Portuguese at Nhamacurra (26 miles north of Quilimane).
 * - Appointment of five M.P.'s to investigate Alien question and to advise action to be taken. Publication of Mr. Lloyd George's reply to deputation of Federalists. Serious explosion at shell factory in Midlands, 100 killed, 150 injured.