皇位継承史　大切なのは直系継承　雄略天皇から昭和天皇まで系図で検証しましょう　【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.

A 139-minute video from 日本史オンライン講座: “皇位継承史　大切なのは直系継承　雄略天皇から昭和天皇まで系図で検証しましょう　【社会人のための高校日本史】”.

Video by 日本史オンライン講座, played through YouTube's embedded player.