▁the ▁U . S . ▁Senate ▁on ▁December ▁ 1 2 , ▁ 1 8 1 6 . ▁Jenn ings ▁appointed ▁three ▁jud ges ▁( J esse ▁Lyn ch ▁Hol man , ▁John ▁Johnson , ▁and ▁James ▁Scott ) ▁to ▁serve ▁seven - year ▁terms ▁on ▁the ▁Indiana ▁Supreme ▁Court , ▁effective ▁December ▁ 2 8 , ▁ 1 8 1 6 . ▁The ▁final ▁step ▁to ▁achieve ▁state hood ▁for ▁Indiana ▁occurred ▁on ▁March ▁ 3 , ▁ 1 8 1 7 , ▁when ▁a ▁federal ▁act ▁was ▁approved ▁to ▁extend ▁federal ▁laws ▁to ▁Indiana . ▁ ▁Crit ic isms ▁and ▁call ▁for ▁rewrite ▁The ▁ 1 8 1 6 ▁constitution ▁was ▁never ▁am ended , ▁although ▁some ▁of ▁its ▁prov isions ▁were ▁critic ized ▁after ▁its ▁ad option . ▁Dem ands ▁for ▁changes ▁to ▁constitution ▁were ▁made ▁as ▁early ▁as ▁ 1 8 2 0 , ▁but ▁refer end ums ▁in ▁ 1 8 2 3 , ▁ 1 8 2 8 , ▁ 1 8 4 0 , ▁and ▁ 1 8 4 6 ▁on ▁holding ▁a ▁constitution al ▁convention ▁were ▁un success ful . ▁In ▁addition , ▁fifteen ▁more ▁efforts ▁to ▁conven e ▁a ▁state ▁constitution al ▁convention ▁were ▁made ▁between ▁ 1 8 2 0 ▁and ▁ 1 8 4 7 , ▁but ▁they ▁also ▁failed . ▁ ▁The ▁most ▁notable ▁critic isms ▁of ▁the ▁ 1 8 1 6 ▁constitution ▁were ▁C ory don ' s ▁identification ▁as ▁the ▁seat ▁of ▁state ▁government ▁for ▁the ▁next ▁nine