11 August

1914

 * - Belgium: Battles near Tirlemont, St. Trond, and Diest.
 * Lorraine: German counter-offensive from Metz; vain attacks at Spincourt and Blamont.
 * No - German cruisers Goeben and Breslau enter Dardanelles.
 * - Great Britain: The Press Bureau constituted.

1915

 * - German attacks in Argonne and Vosges repulsed.
 * - Dvinsk evacuated.
 * - British attack in Gallipoli dies away.
 * Powerful Austro-German concentration announced in southern Hungary.
 * - Paris "Temps" publishes text of secret memorandum to German Chancellor from six leading economic organisations in Germany.