British and French forces engage advancing German troops at Mons before commencing a strategic retreat toward the Marne River.
Battles of the Marne
Moment 1 of 12
Battle of Mons and Start of Great Retreat
Sun, 23 Aug 1914, 00:00:00
Moment 1 of 12
British and French forces engage advancing German troops at Mons before commencing a strategic retreat toward the Marne River.