(Empire of Japan) Japan (内地) and Korea (朝鮮)

(collective, chiefly attributive) Synonym of 日朝 (Nitchō, “Japan and (North) Korea”)

historic, historical / already-happened, past / former, old, traditional

historian

study of history

(Internet slang, especially anime and manga fandom) events or things from the past which one wants to whitewash/erase from history (due to it being embarrassing, poorly received, etc.); dark past

oral history

historicism

one person / singleness, singularity / one's own efforts or strengths / an unmarried person, single

one person