The First Battle of the Marne began on September 6, 1914. The aim of this battle was to stop the movement of German troops invading France. Instead, German advancement was completely halted, and trench warfare began. The battle was named due to it's located near the River Marne in France. German troops marched into Paris and drove exhausted French and British soldiers towards the river. A few day into the battle, more French soldiers helped to drive German troops away and caused their withdrawal from the battle. French soldiers with help from the British succeeded in driving away the Germans and regaining lost land along the way. The losses in the battle were very numerous. The French alone lost around 250,000 men.