Answer:
First Battle of the Marne
Step-by-step explanation:
The First Battle of the Marne was a battle of the First World War fought from 5 to 12 September 1914. It was fought in a collection of skirmishes around the Marne River Valley.
Date: 5–12 September 1914
Location
Marne River near Brasles, east of Paris, France
(49°1′N 3°23′E)
Result:
-Allied victory
-Failure of the Schlieffen Plan
-Beginning of trench warfare