Western Front
Naval air-raid on Zeebrugge.

Eastern Front
Romania: Severe fighting along whole Romanian front; the German-led offensive in Romania steadily advances, capturing 6,500 Russian prisoners. Russian 124th Division holds Vizural against Bulgars until December 28 mainly due to 8 RNAS cars before retreating. Austrian First Army begins Trotus valley offensive until January 7, 1917.
Russia: Heavy shelling of Russian positions in Galicia.

Southern Front
Italy: Italian troops at on the Carso, gaining 330 yards on the Carso Plateau and taking 150 cases of artillery shells.
Naval aeroplanes bomb Turkish camps at Galata (Dardanelles).

Asiatic and Egyptian Theaters
Mesopotamia: Weather broken; operations much hindered.

Political, etc.
Austria-Hungary: German, Austro-Hungarian and Turkish Governments send reply to President Wilson's Note; immediate meeting of delegates suggested (see 18th, and January 10th, 1917).
Charles I of Austria prepares for his formal coronation. Princess Zita, his wife, will wear a gown worth $10,000.
Germany: German school children also contribute to the war effort by subscribing $475,000 to the new German war loan.
France: General Joffre created Marshal of France (see 12th); first since 1870.
United Kingdom: Anglo-French Conference meets in London to discuss the German and United States Peace Notes; also the situation in Greece, the Salonika expedition and the division of the front in the Western Theatre. (Discussion continued on the 27th and 28th.)
Lord Devonport appointed Food Controller, Great Britain (see 22nd).
Poland: Governor General von Beseler orders the creation of the Polish State Credit Bank.
United States: Medical Society of New York Country votes 210 to 72 against dissemination of birth control info. All 4 women doctors were in the minority.

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On the kinkometer, my kink measures as a sine wave.