Eastern Front
Romania: Very heavy fighting on whole Romanian front.
Battle of Casin: Bulgars and Turks advance slowly towards Macin.
Battle of Rimnicu Sarat: Austro-German progress at various points in mountains and south-east of Ramnicu Sarat, but checked between here and Focsani.

Political, etc.
Austria-Hungary: Emperor Charles I (of Austria) crowned King Charles IV of Hungary at Budapest. http://imgur.com/6xU2j0s* © IWM (Q 70806)
The ceremonial guards at the coronation of Charles I: http://imgur.com/6zn0DIK* © IWM (Q 88222)
Charles I of Austria-Hungary: “Our enemies are finally commencing to understand that they cannot conquer us.”
Russia: Tsar tells British Ambassador ‘In the event of revolution, only a small part of the Army can be counted to defend the dynasty.’
Germany: War Ministry dismounts 16 cavalry regiments.
Germany announces it will release 100 French POWs who have at least three children. If France reciprocates, it will release more.
France & United Kingdom: ALLIES REJECT GERMAN PEACE NOTE as ’empty and insincere’. https://wwi.lib.byu.edu/index.php/E...cember_30,_1916
Anglo-Chinese labor agreement for Western Front.
Bulgaria: Bulgarian Government reply accepting President Wilson's Note (see 18th, and January 10th, 1917).
Serbia: Southern Slavs Committee issues declaration at Coronation of Austrian Emperor.
Greece: Greek Note to Allies requests rising of the Blockade.
Spain: Spain declines to second President Wilson's proposal.

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