Between November 22 and December 13 occurred the Battle of Cambrai in which the British employed "tanks" to break down the wire entanglements instead of the usual artillery preparations.

Bourlon Wood dominating Cambrai was taken November 26.

A surprise counterattack by the Germans December 2, compelled the British to give up one-fourth of the ground gained.

Jerusalem was captured by the British December 9.
The British national labor conference on December 29, approved a continuation of the war for aims similar to those defined by President Wilson.
Aside from the collapse of Russia, culminating in an armistice between Germany and the Bolsheviki government of Russia at Brest-Litovsk, December 15, the most important Teutonic success was in the big German-Austrian counterdrive in Italy, October 24 to December 1.

The Italians suffered a loss of territory gained during the summer and their line was shifted to the Piave river, Asiago plateau and Brenta river.
Brazil declared war on Germany October 26..