Dunkirk bombarded (and Furnes on December 8) by German 15-inch naval guns emplaced 20 miles (ca. 32 km) east in Flanders. GQG note states that a German retreat not anticipated for time being, but an offensive is to be launched on December 13 to try to encourage one and to help the Russians.
Serbia: Austrian center and right wing in full retreat downhill to the Kolubara. Krauss and VIII Corps strike south from Belgrade but Serb Second Army holds until forced back next day. Serb Third Army reaches river Lig and First Army pursues.
East Africa: c.500 British retake 2 posts on Uganda border.
Western Front: French air-dropped flechettes mortally wound German General Meyer on horseback.
Vatican: Pope tries to arrange Christmas truce.
Romania: The government refuses to help Greece against any Turco-German attack.