Of stuff not mentioned:
BIG stuff in the past: Legendary mages of extreme power, associated with one or more physical locations, fights amongst gods altering the landscape, races that were totally wiped out by war, that sort of thing.
Each race or group needs to have their thing, something they do a little better than everyone else, that helps define them.
Historical and current change is the result largely of powerful or dynamic individuals rather than changes in attitude or behavior amongst the general population.