historic
adj.adj. describing an event or place that is very important in history. You use this for things that will be remembered for a long time.
adj. significant or influential in history; likely to be remembered as a major event. Usually non-gradable when referring to a unique event.
The two countries signed a historic peace treaty today.
The moon landing was a historic moment that changed how we see our place in the universe.
The historic decision to reform the constitution followed years of civil unrest and marked the beginning of a new era for the nation's democratic institutions.
From Latin historicus (“historical”), from Ancient Greek ἱστορικός (historikós, “exact; historical”). Cognate with French historique. By surface analysis, history + -ic.
Typically used to describe events, agreements, or discoveries of great importance.
a historical momenta historic moment'Historic' means important in history, while 'historical' simply means related to the past or the study of history.