The British submarine B11 passes under the Dardanelles mine-fields and sinks the Turkish battleship Messudiyeh.
Dec. 15 (Tues.)
The end of the third Austrian invasion of Serbia: the Serbians retake Belgrade and again drive the Austrians out of the country (see Nov. 1).
Dec. 16 (Wed.)
German cruisers bombard Scarborough, Hartlepool, and Whitby.
Dec. 18 (Fri.)
The Khedive of Egypt, Abbas II., is deposed, and Prince Hussein Kamel Pasha, a son of the ex-Khedive Ismail, is appointed Sultan of Egypt by Great Britain (see Oct. 9, 1917).
Dec. 19 (Sat.)
An attack by the Indian Corps at Givenchy: ground is gained and lost.
Dec. 20 (Sun.)