The Battle of Soissons (also known as the Battle of the Soissonnais and of the Ourcq (French: Bataille du Soissonnais et de L'Ourcq)* was a World War I battle, waged from 18–22 July 1918, between the French (with American assistance) and German armies. *Le Soissonnais is the area surrounding the city of Soissons. The Ourcq is a river about 30 miles (48 km) to the south. The Allies suffered 107,000 casualties (95,000 French and 12,000 American), while the Germans suffered 168,000 casualties.