▁ 1 9 1 5 ▁to ▁make ▁range ▁lights . ▁Today ▁the ▁Fort ▁Sum ter ▁Range ▁is ▁the ▁main ▁approach ▁channel ▁to ▁Char l eston ▁Har bor . ▁ ▁Fort ▁Sum ter , ▁which ▁was ▁the ▁site ▁of ▁the ▁first ▁battle ▁of ▁the ▁Civil ▁War , ▁is ▁now ▁a ▁National ▁Monument . ▁ ▁St . ▁Philip ' s ▁is ▁a ▁National ▁Historic ▁Land mark ▁that ▁was ▁built ▁in ▁ 1 8 3 6 . ▁ ▁History ▁ ▁The ▁front ▁light ▁at ▁Fort ▁Sum ter ▁completed ▁in ▁ 1 8 5 7 . ▁ ▁The ▁front ▁light ▁was ▁a ▁white , ▁fifth ▁order ▁F res nel ▁l ens . ▁The ▁station ▁was ▁destroyed ▁during ▁the ▁Civil ▁War . ▁A ▁temporary ▁light ▁with ▁a ▁ste amer ▁l ens ▁was ▁in ▁place ▁after ▁the ▁war ▁ended ▁and ▁Fort ▁Sum ter ▁was ▁re occup ied ▁by ▁federal ▁troops . ▁Later ▁the ▁light ▁was ▁re built . ▁With ▁little ▁chance ▁of ▁war , ▁this ▁l ighth ouse ▁was ▁the ▁major ▁activity ▁at ▁Fort ▁Sum ter ▁from ▁ 1 8 7 6 ▁to ▁ 1 8 9 8 . ▁▁ ▁In ▁ 1 8 9 3 , ▁the ▁front ▁light ▁was ▁destroyed ▁by ▁a ▁h urr icane . ▁The ▁tower ▁was ▁replaced ▁with ▁a ▁light ▁green ▁metal ▁ske let al ▁tower . ▁The ▁fog ▁signal ▁was ▁a ▁bell ▁mechan ically ▁struck ▁with ▁a ▁double ▁blow ▁every ▁ 1 5 ▁s . ▁After ▁the ▁rear ▁light ▁was ▁ex ting u ished ▁in ▁ 1 9 1 5 , ▁a ▁radio