[gutnor]

That is weird to see Belgium in there in 1582. That's the date the territories covered by present day country switched over ? There must be some interesting edge cases there.

[alricb]

At that time, the current territories of Belgium, the Netherlands and Luxembourg were part of the Spanish Netherlands. (https://en.wikipedia.org/wiki/Spanish_Netherlands)

[finid]

Just a thought, but I wonder what that program would say about a place called the United States of America in another 50-75 years

Maybe Mexico and Canada would not be listed, after both have been made part of the new USNA (United States of North America).

Just a thought.

[digi_owl]

Makes me think of Shadowrun, where you have UCAS, CAS and Aztelan (to name but a few)...

[pygy_]

I don't know the history of all Belgian territories, but the Prince-Bishopric of Liège was part of Germany, also known at the time the "Holy Roman Empire".