9 1 4 ▁and ▁captured ▁Cor ben y , ▁Cra onne ▁and ▁the ▁eastern ▁tip ▁of ▁Chem in ▁des ▁D ames . ▁As ▁a ▁result ▁of ▁this , ▁he ▁was ▁promoted ▁to ▁Div is ional ▁General , ▁became ▁Leg ion ▁of ▁Hon our ▁commander ▁for ▁his ▁courage ▁and ▁was ▁considered ▁a ▁special ist ▁of ▁night ▁attacks . ▁He ▁assumed ▁command ▁of ▁the ▁French ▁T enth ▁Army ▁on ▁the ▁ 2 9 ▁September ▁ 1 9 1 4 ▁to ▁extend ▁north ward ▁the ▁de ▁C uri ères ▁de ▁Cast eln au ▁Second ▁Army ▁in ▁the ▁beginning ▁of ▁the ▁Race ▁to ▁the ▁Sea . ▁Then ▁the ▁French ▁T enth ▁Army ▁attacked ▁the ▁adv ancing ▁German ▁forces ▁on ▁ 1 ▁October , ▁initially ▁experien cing ▁success ▁until ▁they ▁reached ▁the ▁town ▁of ▁Dou ai . ▁There , ▁the ▁German ▁Six th ▁Army ▁launched ▁a ▁counter - att ack ▁along ▁with ▁additional ▁attacks ▁from ▁three ▁corps ▁of ▁the ▁German ▁First , ▁Second ▁and ▁Se vent h ▁Arm ies : ▁de ▁Ma ud ' hu y ▁lost ▁L ens ▁and ▁was ▁forced ▁to ▁withdraw ▁towards ▁Ar ras . ▁ ▁From ▁ 2 ▁April ▁to ▁ 3 ▁November ▁ 1 9 1 5 , ▁he ▁was ▁named ▁to ▁the ▁head ▁of ▁the ▁Se vent h ▁Army . ▁From ▁ 2 ▁April ▁ 1 9 1 6 ▁to ▁ 2 4 ▁January ▁ 1 9 1 7 ▁he ▁was ▁in ▁charge ▁of ▁the ▁ 1 5 th ▁Corps ▁which ▁meant ▁a ▁down grad ing ▁for ▁him . ▁On ▁ 2