5 December

Western Front

 * Reims once again bombarded.
 * French airmen bomb air sheds at Freiburg im Breisgau.

Southern Front

 * Serbia: Austrians defeated on the Ridges with loss of 15,000 prisoners and 19 guns.

Naval and Overseas Operations

 * South Africa: Rebels offer to negotiate; General Botha demands unconditional surrender.