▁and ▁Sw ans bury ▁are ▁listed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places . ▁ ▁Early ▁S ett lement s ▁Aber de en ▁began ▁as ▁a ▁far ming ▁community ▁in ▁ 1 7 2 0 , ▁when ▁Charles ▁Cal vert , ▁the ▁fifth ▁Lord ▁Baltimore , ▁granted ▁ 1 , 1 4 0 ▁acres ▁of ▁fert ile ▁land ▁to ▁Edward ▁Hall . ▁Loc ated ▁on ▁the ▁western ▁edge ▁of ▁the ▁Ch es ape ake ▁on ▁the ▁main ▁road ▁between ▁Alexand ria ▁and ▁Philadelphia ▁called ▁the ▁Old ▁Post ▁Road , ▁the ▁village ▁at ▁H alls ▁Cross ▁Road ▁remained ▁small ▁until ▁the ▁Philadelphia , ▁Wil ming ton ▁and ▁Baltimore ▁Rail road ▁sc out ed ▁the ▁area ▁for ▁a ▁water ing ▁station ▁in ▁ 1 8 3 5 . ▁One ▁of ▁the ▁rail road ▁companies ▁engine ers ▁was ▁Edmund ▁Law ▁Rog ers ▁who ▁saw ▁the ▁great ▁potential ▁in ▁the ▁place ▁for ▁development . ▁ ▁The ▁Village ▁of ▁Aber de en ▁ ▁The ▁Village ▁of ▁Aber de en ▁was ▁a ▁development ▁by ▁Edmund ▁Law ▁Rog ers ▁around ▁ 1 8 0 0 . ▁ ▁The ▁name ▁origin ated ▁from ▁its ▁mother ▁city , ▁Aber de en , ▁Scotland , ▁as ▁a ▁result ▁of ▁the ▁close ▁relationship ▁the ▁Rog ers ▁family ▁of ▁Baltimore ▁had ▁with ▁their ▁cousin , ▁the ▁Earl ▁of ▁Aber de en , ▁who ▁became ▁Prime ▁Minister ▁of ▁Great ▁Britain ▁in ▁ 1 8 5 2 . ▁The ▁area ▁now ▁known ▁as ▁Aber de en ▁is ▁a ▁cluster ▁of ▁three ▁communities ▁ ▁Hall ' s ▁Cross