▁ 2 0 0 0 s , ▁two ▁frat ern ities ▁that ▁were ▁founded ▁in ▁the ▁ 1 9 th ▁century , ▁K appa ▁S igma ▁and ▁L ambda ▁Chi ▁Al pha , ▁had ▁their ▁char ters ▁rev oked ▁by ▁their ▁national ▁organizations ▁after ▁alco hol ▁viol ations , ▁and ▁a ▁third , ▁Z eta ▁B eta ▁T au ▁dissol ved ▁due ▁to ▁a ▁lack ▁of ▁membership . ▁ ▁All ▁four ▁sor or ities ▁were ▁formed ▁during ▁the ▁ 1 9 7 0 s , ▁when ▁women ▁were ▁first ▁admitted ▁to ▁the ▁College . ▁ ▁Chap ters ▁ ▁Ph i ▁G amma ▁D elta ▁In ▁ 1 8 4 8 , ▁Ph i ▁G amma ▁D elta ▁was ▁formed ▁in ▁the ▁" F ort ▁Arm strong " ▁d orm itory ▁at ▁Jefferson ▁College . ▁ ▁While ▁the ▁frat ern ity ▁grew ▁in ▁a ▁south ward ▁direction , ▁the ▁Jefferson ▁chapter ▁surv ived ▁only ▁a ▁short ▁time ▁after ▁un ification ▁with ▁the ▁Washington ▁chapter ▁in ▁ 1 8 6 5 , ▁dissol ving ▁in ▁ 1 8 7 9 . ▁The ▁Chapter ▁was ▁removed ▁from ▁W & J ▁in ▁the ▁spring ▁of ▁the ▁ 2 0 1 8 - 2 0 1 9 ▁school ▁year ▁after ▁viol ations ▁of ▁National ▁Chapter ▁policy ▁as ▁well ▁as ▁College ▁gu idel ines . ▁ ▁Ph i ▁K appa ▁P si ▁ ▁In ▁ 1 8 5 2 , ▁the ▁Ph i ▁K appa ▁P si ▁frat ern ity ▁was ▁founded ▁at ▁Jefferson ▁College ▁by ▁two ▁students ▁who