7 December

Western Front

 * Vain German efforts to cross the Yser near Pervyse.
 * Indian Expeditionary Force completed by arrival of Sirhind Brigade from Egypt.

Eastern Front

 * Battle for Warsaw begun by the Germans.
 * Russian attacks in East Prussia.
 * Galicia: Northern sector of the forts of Cracow bombarded by the Russians.

Asiatic and Egyptian Theatres

 * Mesopotamia: British success at Mezera.
 * Turks driven back south of Batoum (Transcaucasia).

Naval and Overseas Operations

 * South Africa: Rebel General Beyers defeated at Bothaville and drowned on his flight in the Vaal River.

Political

 * French Bourse re-opens.