▁ 6 th ▁arm ies ▁between ▁St . ▁Di é ▁and ▁Nancy , ▁the ▁Third ▁Army ▁held ▁positions ▁east ▁of ▁Verd un ▁against ▁attacks ▁by ▁the ▁ 5 th ▁Army , ▁the ▁Four th ▁Army ▁held ▁positions ▁from ▁the ▁j unction ▁with ▁the ▁Third ▁Army ▁south ▁of ▁Mont m éd y , ▁west wards ▁to ▁Sed an , ▁Me zi ères ▁and ▁F um ay , ▁facing ▁the ▁ 4 th ▁Army ▁and ▁the ▁Fif th ▁Army ▁was ▁between ▁F um ay ▁and ▁Ma ube uge , ▁with ▁the ▁ 3 rd ▁Army ▁adv ancing ▁up ▁the ▁Me use ▁valley ▁from ▁Din ant ▁and ▁G iv et ▁into ▁a ▁gap ▁between ▁the ▁Four th ▁and ▁Fif th ▁Arm ies ▁and ▁the ▁ 2 nd ▁Army ▁pressed ▁forward ▁into ▁the ▁angle ▁between ▁the ▁Me use ▁and ▁Sam bre ▁directly ▁against ▁the ▁Fif th ▁Army . ▁On ▁the ▁far ▁west ▁fl ank ▁of ▁the ▁French , ▁the ▁BE F ▁prolong ed ▁the ▁line ▁from ▁Ma ube uge ▁to ▁Val enci ennes ▁against ▁the ▁ 1 st ▁Army ▁and ▁Army ▁Det achment ▁von ▁Bes eler ▁mask ed ▁the ▁Belg ian ▁Army ▁at ▁Ant werp . ▁ ▁On ▁ 2 6 ▁August , ▁German ▁forces ▁captured ▁Val enci ennes ▁and ▁conducted ▁the ▁Sie ge ▁of ▁Ma ube uge ▁from ▁ ▁Le u ven ▁( L ouv ain ) ▁was ▁s ack ed ▁by ▁German ▁troops ▁and ▁the ▁Battle ▁of ▁Le ▁C ate au ▁was ▁fought ▁by ▁the ▁BE F ▁and ▁the ▁ 1 st ▁Army . ▁Long