Jun of Gojoseon - Wikipedia
Overthrowing and exile into Mahan []. Wiman entered Gojoseon as a refugee, and submitted to King Jun. Jun granted Wiman's request to serve as a commander of the western borders. However, sometime around 194 BC or 193 BC, Wiman led a revolt, and followed Jun down into Mahan territory, which was situated in the southern part of the Korean Peninsula.. See also []