| Dates |
Events |
Details
|
| November 25 – December 3
|
Battle of Bucharest, a phase of the conquest of Romania.
|
|
| December 1
|
Battle of the Arges, a phase of the Battle of Bucharest.
|
|
| December 1 – January 18, 1917
|
Allies capture Yanbu.
|
Details
|
| December 5–7
|
United Kingdom: Prime Minister H. H. Asquith resigns and is succeeded by David Lloyd George.
|
Details
|
| December 6
|
The Germans occupy Bucharest. The capital of Romania moved to Iaşi.
|
Details
|
| December 13
|
Robert Nivelle replaces Joseph Joffre as Commander-in-Chief of the French Army.
|
Details
|
| December 18
|
Battle of Verdun ends with enormous casualties on both sides.
|
|
| December 23
|
Battle of Magdhaba in the Sinai peninsula.
|
Details
|
| December 23–29
|
Christmas Battles.
|
|
| December 27
|
Togoland is divided into British and French administrative zones.
|
Details
|
| December 29
|
Grigori Rasputin, Russia's éminence grise, is assassinated.
|
Details
|
