宋國
(?
前403年～
前385年)
宋悼公，原名
子購由，宋後昭公之子，在位19年。歷史學家楊寬認為，宋悼公時，宋國已經衰落，有可能遷都彭城（今江蘇省徐州市）。悼公有可能曾被俘虜，《史記・韓世傢》記載：“文侯二年（前385年），……伐宋，到彭城，執宋君。”宋君可能是宋悼公。悼公也可能被殺，故謚法為“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."