▁by ▁German ▁and ▁Belg ian ▁caval ry ▁and ▁inf antry ▁and ▁was ▁a ▁Belg ian ▁def ensive ▁success . ▁The ▁BE F ▁completed ▁its ▁move ▁of ▁four ▁divisions ▁and ▁a ▁caval ry ▁division ▁to ▁France ▁on ▁ 1 6 ▁August , ▁as ▁the ▁last ▁Belg ian ▁fort ▁of ▁the ▁Fort ified ▁Position ▁of ▁Li ège ▁surrender ed . ▁The ▁Belg ian ▁government ▁with d rew ▁from ▁Br uss els ▁on ▁ 1 8 ▁August ▁and ▁the ▁German ▁army ▁attacked ▁the ▁Belg ian ▁field ▁army ▁at ▁the ▁Battle ▁of ▁the ▁G ete . ▁Next ▁day ▁the ▁Belg ian ▁army ▁began ▁to ▁ret ire ▁towards ▁Ant werp , ▁which ▁left ▁the ▁route ▁to ▁Nam ur ▁open ; ▁Long wy ▁and ▁Nam ur ▁were ▁bes ie ged ▁on ▁ 2 0 ▁August . ▁Further ▁west ▁the ▁Fif th ▁Army ▁had ▁concentr ated ▁on ▁the ▁Sam bre ▁by ▁ 2 0 ▁August , ▁facing ▁north ▁either ▁side ▁of ▁Char ler oi ▁and ▁east ▁towards ▁the ▁Belg ian ▁Fort ified ▁Position ▁of ▁Nam ur . ▁On ▁the ▁left , ▁the ▁Caval ry ▁Corps ▁( General ▁André ▁S ord et ) ▁linked ▁with ▁the ▁BE F ▁at ▁M ons . ▁ ▁The ▁Fif th ▁Army ▁was ▁confront ed ▁by ▁the ▁German ▁ 3 rd ▁Army ▁and ▁ 2 nd ▁Army ▁from ▁the ▁east ▁and ▁the ▁north . ▁Before ▁the ▁Fif th ▁Army ▁could ▁attack ▁over ▁the ▁Sam bre ▁the ▁ 2 nd ▁Army ▁attacked ▁at ▁the ▁Battle ▁of ▁Char ler oi ▁and ▁at ▁Nam ur ▁on ▁ 2 1