historia Romana or rerum Romanarum historia

Etymology:

• historia has several different senses. (1) The narration, exposition of the facts (res gestae, res), cf. rerum exemplum, historic precedent; res facta, historic fact. (2) Historical composition, e.g. historiam scribere, historia graeca = either a history written in Greek or a history of Greece (rerum graecarum historia); historia latina, history written in Latin; historia romana or rerum romanarum historia = a history of Rome. (3) A place famous in history, e.g. quacunque ingredimur, in aliqua historia pedem ponimus. In the plural historiae means specially histories, anecdotes (narratiunculae), memoirs, e.g. Taciti historiae.