9 ▁which ▁did ▁complete ▁rat ification . ▁After ▁state hood ▁John ston ▁res igned ▁as ▁governor ▁to ▁become ▁one ▁of ▁the ▁state ' s ▁first ▁two ▁United ▁States ▁Sen ators , ▁serving ▁from ▁ 1 7 8 9 ▁until ▁ 1 7 9 3 . ▁In ▁ 1 8 0 0 ▁he ▁was ▁made ▁a ▁Judge ▁in ▁the ▁Super ior ▁Court ▁of ▁North ▁Carolina , ▁an ▁office ▁he ▁held ▁until ▁his ▁ret irement ▁in ▁ 1 8 0 3 . ▁ ▁Samuel ▁John ston ▁died ▁at ▁his ▁home , ▁Hay es ▁Plant ation , ▁near ▁Ed ent on ▁in ▁Ch owan ▁County , ▁in ▁ 1 8 1 6 ▁and ▁is ▁buried ▁in ▁the ▁John ston ▁Bur ial ▁Gr ound ▁there . ▁The ▁plant ation ▁house ▁is ▁priv ately ▁owned , ▁but ▁was ▁designated ▁a ▁National ▁Historic ▁Land mark ▁in ▁ 1 9 7 3 . ▁ ▁It ▁is ▁now ▁within ▁Ed ent on . ▁However ▁the ▁current ▁house ▁was ▁completed ▁by ▁his ▁son , ▁James ▁C ath cart ▁John ston , ▁a ▁year ▁after ▁Samuel ' s ▁death . ▁ ▁Samuel ▁John ston ' s ▁personal ▁collection ▁of ▁books , ▁which ▁he ▁be que athed ▁to ▁his ▁son ▁James , ▁is ▁preserved ▁in ▁a ▁full - scale ▁rep lication ▁of ▁Hay es ▁Plant ation ' s ▁library ▁at ▁the ▁University ▁of ▁North ▁Carolina ▁at ▁Chap el ▁Hill . ▁ ▁That ▁oct agon ally ▁sh aped ▁historic ▁room ▁is ▁on ▁permanent ▁exhib it ▁in ▁the ▁North ▁Carolina ▁Collection ▁Gallery ▁in ▁Wilson ▁Library .