The institution was established in [[1443]], alongside the establishment of special privileges for the [[So clan|Sô samurai clan]] of Tsushima as the preeminent Japanese with whom the Koreans would engage in trade and diplomacy (as intermediaries representing the shogun). In [[1512]], following a naval clash in [[1510]] between Sô and Joseon ships in which the former were supporting a Japanese traders' and fishermen's protest, Tsushima's representatives in Korea were restricted to the ''Waegwan'' while in Korea. | The institution was established in [[1443]], alongside the establishment of special privileges for the [[So clan|Sô samurai clan]] of Tsushima as the preeminent Japanese with whom the Koreans would engage in trade and diplomacy (as intermediaries representing the shogun). In [[1512]], following a naval clash in [[1510]] between Sô and Joseon ships in which the former were supporting a Japanese traders' and fishermen's protest, Tsushima's representatives in Korea were restricted to the ''Waegwan'' while in Korea. |