Ostend
Dunkirk
NORTH SEA
NETHERLANDS
BELGIUM
LUX.
French6th Army
B.E.F.
French5th Army
French9th Army
French3rd Army French4th Army
French2nd Army
French1st Army
0
100 miles
0
100 km
Calais
Boulogne
Ypres
Brussels
Antwerp
Mons
Douai
Compiègne
Le Cateau
Sedan
Maubeuge
Liège
Aachen
German offensive2–3 August to 6 SeptemberFrench attacks7 and 14 AugustFrench and British attacks6–13 SeptemberFrenchB.E.F. BelgianRetaken by France andBritain in the battle ofthe Marne 6–13 September
Metz
Cologne
Verdun
Nancy
Epinal
Mulhouse
Belfort
Paris
Soissons
Reims
Châlons
GERMANY
LORRAINE
R.R
hin
e
oM.R
elles
.R
eM
su
.R
isO
e
R.
So
mm
e
.R
aM
enr
The western front,
