passive, inactive, timid

oral history

historicism

historian

(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

study of history

(shogi) free king, queen (a piece in chu shogi, dai shogi and larger shogi variants)

(obsolete) Oakland (a city in Alameda, California, United States) / (historical) Ryukyuan royal administration (government)

crown prince

rajah / (historical) Head of the Ryukyu Domain