▁kingdom ▁that ▁last ed ▁for ▁approximately ▁five ▁centuries . ▁Jose on ▁was ▁founded ▁by ▁Y i ▁Se ong - gy e ▁in ▁July ▁ 1 3 9 2 ▁and ▁was ▁replaced ▁by ▁the ▁Korean ▁Empire ▁in ▁October ▁ 1 8 9 7 . ▁It ▁was ▁founded ▁following ▁the ▁after math ▁of ▁the ▁over throw ▁of ▁G ory e o ▁in ▁what ▁is ▁today ▁the ▁city ▁of ▁Ka es ong . ▁Early ▁on , ▁Korea ▁was ▁ret itled ▁and ▁the ▁capital ▁was ▁re located ▁to ▁modern - day ▁Se oul . ▁The ▁kingdom ' s ▁northern most ▁borders ▁were ▁expanded ▁to ▁the ▁natural ▁boundaries ▁at ▁the ▁rivers ▁of ▁Am n ok ▁and ▁T uman ▁through ▁the ▁sub j ug ation ▁of ▁the ▁J urch ens . ▁Jose on ▁was ▁the ▁last ▁dynast y ▁of ▁Korea ▁and ▁its ▁longest - r uling ▁Conf u cian ▁dynast y . ▁ ▁During ▁its ▁reign , ▁Jose on ▁encourag ed ▁the ▁ent rench ment ▁of ▁Chinese ▁Conf u cian ▁ide als ▁and ▁do ctr ines ▁in ▁Korean ▁society . ▁Ne o - Conf u cian ism ▁was ▁installed ▁as ▁the ▁new ▁dynast y ' s ▁state ▁ide ology . ▁Buddh ism ▁was ▁accordingly ▁disc ou rag ed ▁and ▁occasionally ▁faced ▁per sec utions ▁by ▁the ▁dynast y . ▁Jose on ▁cons olid ated ▁its ▁effective ▁rule ▁over ▁the ▁territory ▁of ▁current ▁Korea ▁and ▁saw ▁the ▁height ▁of ▁classical ▁Korean ▁culture , ▁trade , ▁literature , ▁and ▁science ▁and ▁technology . ▁However , ▁the ▁dynast y ▁was ▁sever ely