▁June ▁ 1 9 4 3 ▁British ▁bomb s ▁destroyed ▁many ▁buildings ▁in ▁the ▁east ▁part ▁of ▁the ▁city ; ▁a ▁fir est orm ▁consum ed ▁large ▁parts ▁of ▁the ▁city ▁center ▁( ap art ▁from ▁the ▁central ▁train ▁station , ▁which ▁remained ▁int act ▁apart ▁from ▁minor ▁damage ). ▁On ▁ 3 ▁March ▁ 1 9 4 5 ▁US ▁troops ▁entered ▁K ref eld , ▁among ▁them ▁the ▁later ▁U . S . ▁Secretary ▁of ▁State ▁Henry ▁K iss inger . ▁▁ ▁During ▁the ▁Cold ▁War , ▁the ▁city ▁was ▁host ▁to ▁the ▁ 1 6 th ▁Sign al ▁Regiment ▁of ▁the ▁United ▁Kingdom ' s ▁Royal ▁Corps ▁of ▁Sign als ▁station ed ▁at ▁Brad bury ▁Bar ra cks . ▁The ▁town ▁became ▁part ▁of ▁the ▁new ▁state ▁of ▁North ▁Rh ine - West phal ia ▁after ▁World ▁War ▁II . ▁ ▁Point s ▁of ▁interest ▁▁ ▁L inn ▁Castle ▁( G erman ) ▁ ▁Botan ischer ▁G arten ▁K ref eld , ▁a ▁municipal ▁botan ical ▁garden ▁ ▁K ref eld ▁Z oo ▁ ▁L ange ▁and ▁Est ers ▁H ouses , ▁neighbour ing ▁houses ▁by ▁early ▁M ies ▁van ▁der ▁Ro he , ▁now ▁serving ▁as ▁local ▁contemporary ▁art ▁museum ▁ven ues ▁ ▁Kaiser ▁Wilhelm ▁Museum , ▁contemporary ▁art ▁museum ▁ ▁German ▁Text ile ▁Museum ▁ ▁Gal opp ren nb ahn ▁K ref eld , ▁horse ▁racing ▁track ▁ ▁The ▁well - pres erved ▁historic ▁old ▁towns ▁of ▁the ▁formerly ▁independent ▁districts ▁U erd ingen , ▁L inn ▁and ▁H