The 1632 Series is a series of books where a fictional West Virginian town is sent to Thuringia in 1632. The residents of the town eventually create a new United States that encompasses much of the OTL Holy Roman Empire. This thread is postulating how 385 years of growth and change have affected the USE and the rest of Europe by extension the rest of the world
https://en.wikipedia.org/wiki/1632_series
https://en.wikipedia.org/wiki/1632_series