Western Front
Battle of Cambrai: British troops at Cambrai launch an attack with 30 tanks against Bourlon and Fontaine, but lose gained ground to German counterattacks.
Germans attack Belgian positions near Aschhoop.
Artillery activity in Ypres sector.
A wounded Canadian and German soldier light up their cigarettes near Passchendaele:
https://twitter.com/CenturyAgoToday...589135011729413
Eastern Front
Russian artillery in Trotus (Moldavia) valley breaks up Austro-Hungarian operations.
Otherwise, cessation of hostilities on Russian front.
Southern Front
First Battle of the Piave (until December 30): Austro-German efforts on the River Piave fail.
British monitor destroys bridge of boats at Passarella, five miles up the Piave.
The first operational sorties are flown by the Royal Flying Corps in Italy. Royal Aircraft Factory RE8s from No.34 Squadron attempt a photographic reconnaissance of the Montello front, escorted by the Sopwith Camels of No.28 Squadron. The flight shoots down 1 Austrian single-seater but fighter attacks prevent RE8 photo-reconnaissance.
A German Albatros fighter on a reconnaissance mission on the Italian front:
https://i0.wp.com/ww2-weapons.com/w...alpen.jpg?ssl=1 [note: although labelled an Albatros by the caption, this aircraft is clearly a Pfalz D-III (or D-IIIa); Austria-Hungary didn’t use the Pfalz, so perhaps the aircraft is on a training or home-defense flight over the Bavarian Alps: the main user of the Pfalz was Bavaria]
French 75mm field gun converted as an anti-aircraft gun at the Macedonian Front:
https://twitter.com/CenturyAgoToday...891144642351104
Political, etc
Germany: Germany accepts Lenin's offer of an armistice. Russian delegates cross German lines. Count Hertling willing to treat with Bolsheviks. Kaiser wires Kuehlmann to try for Russian alliance ‘in spite of everything’.
Russia: Allied nations warn Russia not to conclude a separate peace with Germany, while Russian and German delegates begin talks for an armistice.
United Kingdom: Letter in "Daily Telegraph" from Lord Lansdowne calling for a re-statement of Allies' War Aims, and urges compromise peace with Germany.
War Cabinet bars Bolshevik propaganda and suspends all warlike aid.
British newsreel “Topical Budget” showing tank scenes from the Battle of Cambrai and other news:
http://film.iwmcollections.org.uk/record/index/5440