消えた邪馬台国　邪馬台国は関門海峡にあったチャイナタウンの代表、邪馬台王権の消滅の後に日本史が始まる　岡田英弘「日本史の誕生」【社会人のための高校日本史】

New channel 日本史オンライン講座: title sample judged 'whole' (A dedicated Japanese history teaching channel with lecture series, scholar-led seminars, and structured courses that ove); 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.