1917
22 January : President Wilson offered the belligerents « Peace without Victory »
24 February : Allied victory at Ancre (Somme): The Germans retreated faced with the British
25 February : The Allies pushed back the German peace plan
15-19 March : Withdrawal of the German troops between Arras and Soissons on the Hindeburg line
4 April : The USA entered the war against Germany
9 April : Beginning of the Battle of Arras and the Crête de Vimy.
16 April : Battle of the Chemin des Dames. Combat in the Plateau de Craonne
4 May : First mutinies in the two French infantry regiments
12-13 July : First use of Ypérite (mustard gas) by the Germans
19 July : The Reichstag adopted a motion for peace
2 August : Mutiny on the German vessel "Prinzregent Luitpold"
15-25 August : Battle of the côte 70
16 August : Success of the Franco-British offensive in the Flanders to the north of Ypres
21 October : First involvement of the US troops in conflict
7 November : The second Soviet Russian congress offered a three month armistice for all belligerents
