Responding to a statement about "for most of human history" with a reference to a very recent event isn't something you should begin with "actually" since it's

Responding to a statement about "for most of human history" with a reference to a very recent event isn't something you should begin with "actually" since it's not a reply to what I was saying, it's just your own tangent. Also, actually, even in the early modern period people were still looking to the past for inspiration even when they were reusing land - there's far more to the past than mere buildings.