▁of ▁Chicago ▁Category : H istor ic ▁pres ervation ▁organizations ▁in ▁the ▁United ▁States ▁Category : Arch itect ural ▁history ▁Category : C ult ural ▁her itage ▁of ▁the ▁United ▁States ▁Category : U r ban ▁expl oration <0x0A> </s> ▁London der ry ▁Port , ▁now ▁operating ▁as ▁Fo yle ▁Port , ▁is ▁a ▁port ▁located ▁on ▁L ough ▁Fo yle ▁in ▁Northern ▁Ireland . ▁It ▁is ▁the ▁United ▁Kingdom ’ s ▁most ▁w ester ly ▁port ▁and ▁an ▁important ▁nor ther ly ▁port ▁on ▁the ▁island ▁of ▁Ireland . ▁The ▁current ▁port ▁is ▁at ▁Lis ah ally , ▁County ▁London der ry , ▁though ▁histor ically ▁the ▁port ▁was ▁up river ▁in ▁the ▁city ▁of ▁Der ry ▁itself . ▁It ▁is ▁operated ▁by ▁the ▁London der ry ▁Port ▁and ▁Har bour ▁Commission ers , ▁whose ▁former ▁offices , ▁just ▁north ▁of ▁the ▁city ' s ▁walls , ▁are ▁now ▁a ▁museum . ▁ ▁History ▁The ▁River ▁Fo yle ▁has ▁been ▁an ▁entry port ▁since ▁before ▁the ▁time ▁of ▁Saint ▁Col um ba , ▁and ▁was ▁used ▁by ▁the ▁Vik ings ▁and ▁the ▁Norm ans . ▁At ▁the ▁time ▁the ▁river ▁was ▁wider ▁and ▁more ▁shall ow , ▁and ▁as ▁ships ▁grew ▁larger , ▁they ▁would ▁anchor ▁close ▁in ▁to ▁shore ▁and ▁un load ▁by ▁l ighter . ▁The ▁plant ing ▁of ▁the ▁w alled ▁city ▁on ▁the ▁west ▁bank ▁of ▁the ▁Fo yle ▁necess itated ▁a ▁more ▁efficient ▁approach , ▁and ▁the ▁port ▁of ▁London der ry ▁was ▁created ▁in ▁ 1