Treaty of Gyehae

Also known as Kakitsu Treaty, Gyehae Treaty, Kakitsu Jōyaku, Kakitsu Joyaku, Treaty of Kakitsu, Kyehae Choyak, Gyehae Joyak, Japan–Korea Agreement of 1443

treaty signed in 1443 between the Joseon dynasty and Sō Sadamori as a means of controlling Japanese piracy and legitimizing trade between Tsushima island and three Korean ports