▁National ▁Historic ▁Land mark ▁in ▁ 1 9 7 3 . ▁The ▁church ▁is ▁open ▁to ▁the ▁public ▁for ▁t ours ▁at ▁designated ▁times ▁and ▁hosts ▁public ▁concert s , ▁lect ures , ▁and ▁programs ▁related ▁to ▁contemporary ▁social ▁and ▁political ▁issues . ▁Vis it ▁the ▁church ’ s ▁website ▁for ▁details . ▁ ▁Con version ▁to ▁Un itar ian ism ▁The ▁Un itar ian ▁Church ▁in ▁Char l eston ▁was ▁not ▁originally ▁built ▁by ▁the ▁Unit ari ans . ▁It ▁was ▁constructed ▁by ▁the ▁Society ▁of ▁D issent ers ▁who ▁needed ▁more ▁worship ▁space ▁and ▁decided ▁to ▁expand ▁with ▁a ▁second ▁building ▁in ▁ 1 7 7 2 . ▁▁ ▁For ▁ 3 0 ▁years ▁following ▁the ▁dedic ation , ▁the ▁Me eting ▁Street ▁and ▁Arch dale ▁Street ▁churches ▁operated ▁as ▁a ▁single ▁entity . ▁They ▁shared ▁not ▁only ▁the ▁same ▁two ▁minister s , ▁but ▁the ▁same ▁ser mon ▁was ▁delivered ▁each ▁Sunday . ▁D rs . ▁H oll ins head ▁and ▁Keith , ▁co - p ast ors ▁of ▁the ▁church , ▁pre ached ▁one ▁ser mon ▁in ▁both ▁houses ▁each ▁Sunday , ▁altern ating ▁morning ▁and ▁afternoon ▁services . ▁In ▁ 1 8 1 5 , ▁one ▁of ▁the ▁co - p ast ors ▁was ▁the ▁Re ver end ▁Anthony ▁For ster . ▁For ster ▁was ▁married ▁to ▁Al ton a ▁G ales , ▁the ▁daughter ▁of ▁Joseph ▁G ales , ▁a ▁North ▁Carolina ▁printer ▁and ▁a ▁close ▁associate ▁of ▁Joseph ▁Pri est ley .   ▁G ales ▁and