, ▁employed ▁half ▁of ▁K ref eld ' s ▁population ▁of ▁ 6 , 0 8 2 ▁in ▁their ▁fact ories . ▁Their ▁residence , ▁built ▁from ▁ 1 7 9 1 , ▁is ▁the ▁current ▁City ▁Hall . ▁ ▁The ▁Jews ▁of ▁K ref eld ▁ ▁Jews ▁were ▁listed ▁as ▁citizens ▁of ▁K ref eld ▁from ▁ 1 6 1 7 . ▁In ▁ 1 7 6 4 ▁a ▁syn agog ue ▁was ▁ere cted , ▁and ▁by ▁ 1 8 1 2 , ▁under ▁French ▁rule , ▁the ▁town ▁included ▁ 1 9 6 ▁Jewish ▁families , ▁with ▁three ▁Jewish - owned ▁banks . ▁ ▁Under ▁Napoleon , ▁the ▁town ▁became ▁the ▁capital ▁for ▁the ▁surrounding ▁Jewish ▁communities ▁including ▁over ▁ 5 0 0 0 ▁Jews , ▁and ▁by ▁ 1 8 9 7 ▁they ▁compr ised ▁ 1 . 8 % ▁of ▁the ▁population . ▁In ▁ 1 8 4 6 ▁a ▁Jewish ▁representative ▁was ▁voted ▁onto ▁the ▁town ' s ▁municipal ▁council , ▁while ▁rising ▁ant is emit ism ▁was ▁noted ▁during ▁these ▁elections . ▁A ▁reform ▁syn agog ue ▁was ▁built ▁in ▁ 1 8 7 6 , ▁ar ous ing ▁opposition ▁from ▁the ▁Orth odox ▁community . ▁A ▁Jewish ▁school ▁existed ▁in ▁the ▁town , ▁with ▁more ▁than ▁ 2 0 0 ▁students ▁around ▁ 1 9 0 0 . ▁ ▁In ▁November ▁ 1 9 3 8 ▁during ▁Krist all n acht , ▁the ▁two ▁syn agog ues ▁were ▁attacked . ▁ ▁In ▁ 1 9