12 November

Western Front

 * Ypres again fiercely attacked by the Germans; latter take Lombartzyde.

Eastern Front

 * Galicia: Przemsyl again invested by the Russians.
 * Miechow near Cracow, occupied.
 * East Prussia: Russians again enter Johannisburg.

Southern Front

 * Montenegrins defeated at Grahavo (Bosnian frontier).

Naval and Overseas Operations

 * South Africa: General de Wet defeated at Mushroom Valley.

Political

 * Turkey: Formal declaration of war against the Triple Entente.