明の冊封国であった李氏朝鮮に征明嚮導の意思はなく、秀吉は明への遠征のため先ず朝鮮の制圧を決め、文禄元年（1592年）4月（和暦。漢数字表記の月は以下同じ）、16万人の大軍を送ることとなる。

The Yi Dynasty Korea, which had been Sakuho-koku (countries to confer a peerage with a Saku paper) of Ming, did not have the intention of leading troops to conquer Ming and Hideyoshi decided to conquer Korea at first in order to make a successful expedition to Ming and a large army of 160,000 were sent in May 1592 (according to the traditional Japanese calendar). - Wikipedia日英京都関連文書対訳コーパス

建武中元二年（57年）、博多湾沿岸に所在したと見られる倭奴国の首長が、後漢の光武帝から倭奴国王に冊封されて金印（倭奴国王印）の賜与を受けており（『後漢書』「」）、当時は北部九州の勢力が倭国内の中心勢力であったと考えられている。

In 57, a chieftain of Wanonanokuni (small country in Hakata area of Fukuoka Prefecture), which is believed to have been located along the Hakata Bay, had suzerain-vassal relationship with the Emperor Kobu-tei (Emperor Guangwu) of the Latter Han Dynasty, who invested him with Wakoku by giving golden stamp (Wa no na no kokuo in [the oldest known seal in Japan]), ("History of the Latter Han Dynasty"), therefore, the center of Japanese political force is believed to have been located in the northern part of Kyushu at that time. - Wikipedia日英京都関連文書対訳コーパス