ian ▁regiment ▁was ▁defeated ▁by ▁the ▁Black ▁Brun sw ick ers ▁under ▁Prince ▁Frederick ▁William ▁of ▁Brun sw ick - W olf en b ütt el ▁in ▁the ▁Battle ▁of ▁Hal ber stadt . ▁ ▁After ▁the ▁defeat ▁of ▁Napoleon , ▁the ▁town ▁was ▁restored ▁to ▁Pr uss ia ▁and ▁subsequently ▁admin ister ed ▁within ▁the ▁Province ▁of ▁Sax ony . ▁From ▁ 1 8 1 5 , ▁Hal ber stadt ▁was ▁home ▁of ▁g arrison ▁of ▁the ▁Pr uss ian ▁ 7 th ▁( Mag de burg ) ▁Cu ir ass iers ▁" von ▁Se yd l itz " ▁regiment , ▁with ▁Otto ▁von ▁B ism ar ck ▁in ▁the ▁rank ▁of ▁an ▁officer ▁à ▁la ▁suite ▁from ▁ 1 8 6 8 . ▁The ▁town ' s ▁economy ▁was ▁decis ively ▁promoted ▁by ▁the ▁opening ▁of ▁the ▁Mag de burg – H al ber stadt ▁Railway ▁in ▁ 1 8 4 3 . ▁The ▁tram way ▁was ▁inaugur ated ▁in ▁ 1 9 0 3 . ▁▁ ▁In ▁ 1 9 1 2 ▁the ▁Hal ber st äd ter ▁Flug zeug werke ▁aircraft ▁manufact urer ▁was ▁founded ▁followed ▁by ▁the ▁opening ▁of ▁a ▁military ▁air base , ▁providing ▁the ▁German ▁Luft stre it k rä fte ▁in ▁World ▁War ▁I . ▁After ▁the ▁war ▁it ▁had ▁to ▁close ▁down ▁according ▁to ▁the ▁reg ulations ▁of ▁the ▁Tre aty ▁of ▁Vers a illes , ▁until ▁in ▁the ▁course ▁of ▁the ▁German ▁re - arm ament , ▁it ▁opened ▁again ▁in ▁ 1