Don’t trust it. At best, some of it used to be accurate in a useful way. But even then, the terminology wouldn’t match well.
The closest you could get in comparison would be placing outlines of Prussia over modern Europe and saying that it was still a region. Yeah, there’s some connections, but it ain’t gonna help you much
As a European, this map is excellent!
It’s a lie. I’m sorry.
Don’t trust it. At best, some of it used to be accurate in a useful way. But even then, the terminology wouldn’t match well.
The closest you could get in comparison would be placing outlines of Prussia over modern Europe and saying that it was still a region. Yeah, there’s some connections, but it ain’t gonna help you much