▁War ▁( 1 6 4 1 - 1 6 5 3 ) ▁but ▁lost ▁it ▁to ▁the ▁Parliament ari ans ▁(" R ound head s ") ▁of ▁the ▁cont enders ▁versus ▁the ▁Cav ali ers ▁of ▁King ▁Charles ▁I ▁in ▁the ▁simultane ous ▁English ▁Civil ▁War . ▁The ▁Bl und ells ▁returned ▁after ▁the ▁civil ▁war ▁during ▁the ▁Rest oration ▁of ▁the ▁Mon archy ▁and ▁built ▁the ▁house ▁on ▁the ▁south ▁edge ▁of ▁the ▁castle . ▁▁ 1 7 th ▁Century ▁In ▁the ▁ 1 7 th ▁century , ▁Ul ster ' s ▁ports ▁began ▁to ▁rise ▁in ▁prom in ence . ▁In ▁ 1 6 2 5 ▁William ▁Pitt ▁was ▁appointed ▁as ▁Customer ▁of ▁the ▁ports ▁of ▁New castle , ▁D und rum , ▁Kill ough , ▁Port a fer ry , ▁Don agh ade e , ▁Bang or ▁and ▁Holy wood . ▁Co al ▁was ▁a ▁major ▁import ▁into ▁D und rum , ▁where ▁the ▁East ▁Down shire ▁Ste am ship ▁Company ▁was ▁based . ▁D und rum ▁was ▁a ▁commercial ▁port ▁until ▁ 1 9 8 4 . ▁ ▁SS ▁Great ▁Britain ▁ ▁The ▁SS ▁Great ▁Britain , ▁one ▁of ▁the ▁first ▁iron ▁ships ▁and ▁designed ▁by ▁Is amb ard ▁Kingdom ▁Brun el , ▁was ▁on ▁its ▁way ▁from ▁Liverpool ▁to ▁New ▁York ▁in ▁ 1 8 4 6 , ▁when ▁it ▁ran ▁a ground ▁in ▁D und rum ▁Bay ▁during ▁bad ▁weather . ▁The ▁captain , ▁James ▁H os ken , ▁mis calcul ated ▁the ▁ste amer ' s