ancient history
noun /ˌeɪnʃənt ˈhɪstri/
/ˌeɪnʃənt ˈhɪstri/
[uncountable]- the history of societies that existed thousands of years ago, especially in Rome, Greece and Egypt
- a professor of ancient history
- (informal) something that happened or existed a long time ago that is no longer important
- Don't worry, our disagreements are ancient history.