How many people died during the second battle of marne?

The Second Battle of the Marne, fought from July 15 to August 5, 1918, resulted in significant casualties on both sides. Approximately 300,000 soldiers were killed, wounded, or went missing, with the Allies suffering around 100,000 casualties and the Central Powers around 200,000. This battle marked a crucial turning point in World War I, leading to the eventual defeat of the German forces.