▁Bundes liga ▁in ▁ 1 9 6 5 , ▁and ▁saw ▁the ▁majority ▁of ▁its ▁success ▁in ▁the ▁ 1 9 7 0 s , ▁where , ▁under ▁the ▁guidance ▁of ▁H ennes ▁We is we iler , ▁they ▁captured ▁five ▁league ▁champion ships ▁with ▁Die ▁F oh len ▁ ▁team ; ▁a ▁term ▁co ined ▁as ▁the ▁squad ▁were ▁young ▁with ▁a ▁fast , ▁ag gress ive ▁playing ▁style . ▁M ön ch eng lad bach ▁also ▁won ▁two ▁UEFA ▁Cup ▁titles ▁during ▁this ▁period . ▁ ▁Since ▁ 2 0 0 4 , ▁Bor uss ia ▁M ön ch eng lad bach ▁have ▁played ▁at ▁Bor uss ia - P ark , ▁having ▁previously ▁played ▁at ▁the ▁B ö kel berg stad ion ▁since ▁ 1 9 1 9 . ▁Based ▁on ▁membership , ▁Bor uss ia ▁M ön ch eng lad bach ▁is ▁the ▁fifth ▁largest ▁club ▁in ▁Germany , ▁with ▁over ▁ 7 5 , 0 0 0 ▁members . ▁The ▁club ' s ▁main ▁riv als ▁are ▁FC ▁Köln ▁and ▁Bayer ▁Le verk us en . ▁ ▁History ▁ ▁Form ation ▁ ▁A ▁for er un ner ▁of ▁the ▁club ▁Bor uss ia ▁M ön ch eng lad bach ▁was ▁a ▁group ▁of ▁players ▁who , ▁after ▁leaving ▁the ▁sports ▁club ▁Germania , ▁founded ▁the ▁new ▁club ▁on ▁ 1 7 ▁November ▁ 1 8 9 9 ▁in ▁the ▁restaurant ▁" Ant on ▁Sch mit z " ▁on ▁the ▁Als straße ▁in ▁E icken ▁district ▁of ▁M ön