Palestine: Allenby enters Jerusalem on foot via Jaffa Gate with Allied parties including Major TE Lawrence and Lieutenant-Colonel Wavell (film released in Britain in February 1918). .
Russia: Constituent Assembly meets at Petrograd until 13 December, when its broken up by Bolsheviks.
France: Clemenceau demands removal of parliament immunity from ex-Prime Minister Caillaux (arrested December 12) and two other deputies (done December 22-23).
Piave: Krauss with 4 divisions and 460 guns attacks Mt Grappa (‘Sacred Mountain’) sector; German 5th Division storms Mt Spinoncia but can get no farther despite repeated attacks. Austrian 4th Division, arrived from Eastern Front, captures Col della Berretta.
East Atlantic: U-155 shells Funchal on the Portuguese island of Madeira.