1 , 0 0 0 ▁members ▁in ▁the ▁United ▁Kingdom . ▁World ▁P Z ▁leader ▁D ov ▁H oz ▁was ▁based ▁in ▁the ▁UK ▁in ▁ 1 9 2 8 , ▁and ▁set ▁about ▁rev iving ▁and ▁re - organ ising ▁Po ale ▁Z ion ▁( Gre at ▁Britain ), ▁including ▁insp iring ▁P Z ▁members ▁to ▁become ▁more ▁active ▁in ▁the ▁main stream ▁Labour ▁Party . ▁Young ▁Po ale ▁Z ion ▁was ▁launched ▁in ▁Beth nal ▁Green ▁in ▁ 1 9 2 8 , ▁by ▁Sam ▁D reen . ▁ ▁Po ale ▁Z ion ▁and ▁D ov ▁H oz ▁played ▁a ▁cru cial ▁role ▁in ▁the ▁ 1 9 3 0 ▁White ch ap el ▁and ▁St ▁Georges ▁by - e lection , ▁swing ing ▁the ▁Jewish ▁vote ▁behind ▁the ▁non - J ew ish ▁Labour ▁candidate , ▁James ▁Henry ▁Hall , ▁rather ▁than ▁the ▁Jewish ▁Liberal ▁candidate ▁Bar nett ▁J anner . ▁ ▁In ▁the ▁ 1 9 4 0 s , ▁Po ale ▁Z ion ▁( Gre at ▁Britain ) ▁claimed ▁a ▁membership ▁of ▁nearly ▁ 2 , 0 0 0 . ▁ ▁Late ▁ 2 0 th ▁century ▁In ▁ 1 9 5 7 , ▁Po ale ▁Z ion ▁played ▁a ▁role ▁in ▁the ▁formation ▁of ▁Labour ▁Fri ends ▁of ▁Israel , ▁with ▁which ▁it ▁continues ▁to ▁work . ▁ ▁In ▁June ▁ 1 9 8 2 , ▁ ▁Po ale ▁Z ion ▁formed ▁a ▁Scottish ▁branch , ▁with ▁the ▁MP ▁for ▁East ▁Kil b ride , ▁Maurice ▁Miller