8 August

1914

 * - Belgium: Main army falls back towards the Dyle.
 * Alsace: French occupy Altkirch and Mülhausen.
 * No - Antivari (Montenegro) bombarded by Austrian fleet.
 * Togoland entered by combined French and British force.
 * - Russia: Tsar addresses the Duma.
 * Switzerland mobilises and proclaims state of siege.
 * USA offers its good services.

1915

 * - Germans attack Kovna, repulsed with heavy losses. Novo Georgievsk cut off in the east. Praga (Warsaw) is occupied. Mackensen forces Russians back across the Veprj.
 * - Monfalcone dockyard (northern Adriatic) bombed.
 * Night raid by Austrians into Italian positions in Trentino.
 * British attack on Anafarta (Gallipoli) repulsed.
 * - Bushire (Persian Gulf) occupied by British as reprisal for two officers killed there on 12 July.
 * No - German Fleet attacks Riga and is repulsed.
 * HMS Ramsay sunk by German steamer Meteor (blown up to avoid capture). HMS India, auxiliary cruiser, torpedoed off Norway.
 * - German unsuccessful peace tentatives to Russia through Denmark.
 * Naval General Service Medal instituted.