KnowraFour Commanderies of HanLinked fromLinked fromThe 6 pages that link to Four Commanderies of Han, each with the reason it gives.All 6Broader topic 3Related 3GojoseonRelated: Their creation shows how Han rule replaced Gojoseon’s political structure.SamhanRelated: Their presence forms part of the wider setting for Samhan's early development.Proto–Three Kingdoms periodRelated: Their presence brought a powerful neighboring administration into the period's northern politics.