IPA: /hɪˈstɔːrɪk/
KK: /hɪˈstɔrɪk/
Having great importance or influence in history.
The signing of the Declaration of Independence was a historic moment for the United States.
Historic → It is formed from "historia" (from Greek "ἱστορία", meaning inquiry or knowledge gained by investigation) and the suffix "-ic" (meaning pertaining to). The word "historic" refers to something that is related to history or significant in history.
Think of 'inquiry' or 'knowledge gained by investigation' — that's what makes something 'historic' or important in the context of history.