4 December

Western Front

 * French strengthen hold on Vermelles, and capture Langemarck in Belgium.

Eastern Front

 * Galicia: Russians advancing more on Cracow, occupy Vieliczka.

Naval and Overseas Operations

 * South Africa: Rebels heavily defeated near Reitz by General Botha.

Political

 * Belgium: King George visits Belgian headquarters and confers Knight of the Garter on King Albert.