宋国
(?
前403年～
前385年)
宋悼公，原名
子购由，宋后昭公之子，在位19年。历史学家杨宽认为，宋悼公时，宋国已经衰落，有可能迁都彭城（今江苏省徐州市）。悼公有可能曾被俘虏，《史记・韩世家》记载：“文侯二年（前385年），……伐宋，到彭城，执宋君。”宋君可能是宋悼公。悼公也可能被杀，故谥法为“悼”。
Song Dao Gong, formerly purchased by the son, the son of Song Houzhao public, in office for 19 years. Historians believe that Yang W, Song Dao Gong, the Song has been declining, it may move the capital Peng (Xuzhou City, Jiangsu Province today). Daogong there may have been captured, "Records Han family" reads: "Wen Hou years (385 BC), ... ... Fasong to Pengcheng, Directors Song-Jun." Song-Jun may be the Song Dao Gong. Dao Gong may also killed, so posthumous law "Mourning."