First Battle of the Aisne

The First Battle of the Aisne (French: 1re Bataille de l'Aisne) was the Allied follow-up offensive against the right wing of the German First Army (led by Alexander von Kluck) and the Second Army (led by Karl von Bülow) as they retreated after the First Battle of the Marne earlier in September 1914. The Advance to the Aisne (6 September – 1 October) consisted of the Battle of the Marne (7–10 September) and the Battle of the Aisne (12–15 September).

First Battle of the Aisne
Part of the Western Front of World War I
Map of the Western Front and the Race to the Sea, 1914
Date 13–28 September 1914 Location Aisne River, France 49°26′N 3°40′E Result Indecisive
Belligerents
France United Kingdom	German Empire
Commanders and leaders
Michel-Joseph Maunoury Joseph Joffre Louis Franchet d'Esperey John French	Alexander von Kluck Karl von Bülow Josias von Heeringen
Strength
Fifth Army Sixth Army BEF	First Army Second Army Seventh Army
Casualties and losses
250,000 killed or wounded 13,541 killed or wounded	Unknown