i ▁G amma ▁D elta , ▁rec laim ing ▁the ▁" Alpha " ▁design ation ▁that ▁had ▁belonged ▁to ▁the ▁found ing ▁chapter ▁at ▁Jefferson ▁College . ▁ ▁Modern ▁history ▁Many ▁of ▁the ▁surv iving ▁frat ern ities ▁on ▁campus ▁were ▁founded ▁during ▁the ▁mid ▁to ▁late ▁ 1 9 th ▁century , ▁including ▁B eta ▁Th eta ▁Pi ▁at ▁Jefferson ▁College ▁in ▁ 1 8 4 2 , ▁D elta ▁T au ▁D elta ▁in ▁ 1 8 6 1 ▁at ▁both ▁Jefferson ▁and ▁Washington ▁Colleg es , ▁Ph i ▁K appa ▁S igma ▁in ▁ 1 8 5 4 , ▁Ph i ▁D elta ▁Th eta ▁in ▁ 1 8 7 5 , ▁and ▁Al pha ▁T au ▁Om ega ▁in ▁ 1 8 8 2 , ▁which ▁had ▁been ▁a ▁chapter ▁of ▁Al pha ▁G amma ▁before ▁the ▁national ▁frat ern ity ▁dissol ved ▁the ▁previous ▁year . ▁ ▁A ▁number ▁of ▁frat ern ities ▁from ▁that ▁time ▁period ▁did ▁not ▁surv ive ▁the ▁union ▁of ▁the ▁two ▁colleg es , ▁including ▁S igma ▁Chi , ▁D elta ▁K appa ▁E psilon , ▁and ▁D elta ▁U psilon . ▁The ▁chapter ▁of ▁Th eta ▁D elta ▁Chi ▁was ▁founded ▁in ▁ 1 8 5 8 ▁and ▁was ▁dissol ved ▁in ▁ 1 8 7 2 . ▁The ▁W & J ▁chapter ▁of ▁S igma ▁Ph i ▁E psilon ▁was ▁founded ▁in ▁ 1 9 0 2 ▁and ▁dissol ved ▁in ▁ 1 9 0 6 . ▁ ▁In ▁the ▁early