September 6–12, 1914Reputable sourceWell documented
The First Battle of the Marne
On the timeline · around September 6–12, 1914 ·
What happened
A French and British counterattack halted the German advance on Paris in the 'Miracle of the Marne.' The Germans fell back to the River Aisne and dug in; both sides then extended their trench lines to the sea.
Why it matters
The battle ended Germany's bid for a quick victory and began the trench-warfare stalemate that would define the Western Front for the next four years.
Sources
- World History Encyclopedia. First Battle of the Marne · Reputable source