Everything.(By the way, I think you should be more specific.)
The Normandy D-Day is significant now because we remember the men who died for our freedom. We can appreciate our lives without oppressive Nazi rule.
Joseph Stalin impact us become we remember his name as for serving are country and making the world tough
It is a source of entertainment
The enlightenment changed the way we see music, literature, arts, and architecture. The enlightenment helped advance the achievements of the scientific revolution