Eastern Front
Romania: German advance on Brăila, Romania slows down due to overextended supply lines and resistance by Russian Cossacks.
Thousands of Romanian flee across the border into Russian Ukraine, which threatens to exacerbate the refugee problem.
Dobruja: Sakharov drives Bulgarians into Lake Babadagh south of Tulcea.
Russia: Fighting south of Dvinsk.
In the Carpathians, hand-to-hand combat occurs in dark tunnels as Russian troops attempt to attack Austro-Hungarian lines in the mountains.

Asiatic and Egyptian Theaters
Sinai: El Arish occupied by British forces (see November 15th). (1,600 Turks evacuated to Magdhaba on December 20). Royal Navy N arrives on December 22.

Naval and Overseas Operations
North Sea: Two Royal Navy destroyers are sunk by collision; flotilla leader HMS Hoste and HMS Negro. At least 55 are killed.

Political, etc.
Austria-Hungary: V. Spitzmuller (Austria) unable to form Cabinet; Count Heinrich Clam-Martinitz appointed Austrian Premier (see 14th, and June 18th, 1917).
Russia: Germany and Russia both agree to give better treatment to their prisoners of war.
Germany: German newspaper “Tageblatt” says British demands for reparations after the war are “impossible.”
United States: President Wilson backs Germany’s peace move and suggests all the belligerent countries to state their terms.
Jewish groups in the U.S. raise $3 million at Carnegie Hall in order to aid Jewish people suffering in Europe due to the war.
Possibility of a peace in Europe causes another sell-off of stocks on Wall Street as 3.176 million shares are sold off.
Greece: Greek government protests that the Allied nations and Greek rebels are seizing Greek islands.
Allied response note demands control of communications and Venizelists‘ release. Similar conditions demanded on December 31 before blockade lifted.

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