First Battle of Champagne
The First Battle of Champagne () was fought from 1915 in World War I in the Champagne region of France and was the second offensive by the Allies against the German Empire since mobile warfare had ended after the First Battle of Ypres in Flanders The battle was fought by the French Fourth Army and the German 3rd Army. The offensive was part of a French strategy to attack the Noyon Salient, a large bulge in the new Western Front, which ran from Switzerland to the North Sea. The First Battle of Artois began on the northern flank of the salient on 17 December and the offensive against the southern flank in Champagne began three days later.