everyone, one and all

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

(disaster prevention) Short for 木造住宅密集地域 (mokuzō jūtaku misshū chiiki, “densely built wooden house area”).

A person whose name has become identified with a particular object or activity; eponym.

(literary) an alternate name