historical
Pronunciation: /hɪˈstɒrɪk(ə)l/
adjective
- of or concerning history or past events: historical evidence
- belonging to the past: famous historical figures
- (especially of a novel or film) set in the past.
- (of the study of a subject) based on an analysis of its development over a period: for the Darwinians, biogeography became a historical science

Origin:
late Middle English: via Latin from Greek historikos (see historic)

On the use of an historical event or a historical event, see an (usage).