Knowing the stories isn’t memorization. Once you know the stories you know how one thing causes another, how things are related and reflected, and you can think about the present and the future. And you end up knowing pretty well when things happened — because you know how things fit together — even if you don’t recall every single precise date and the names of every player.
Brent Simmons on why memorization isn’t just to remember facts, but to tell stories.