Recorded history, perhaps. Doesn't mean we can't still figure things out about what happened before recorded history. But don't ask me how we figured out that

Recorded history, perhaps. Doesn't mean we can't still figure things out about what happened before recorded history. But don't ask me how we figured out that humans switched to agriculture in order to make booze, because I'm not qualified to answer that, all I can tell you is that I learned this at some point from someone else who is more qualified than I am to talk about this.