History

For a brief period, all these realms were ruled by the Jagiellonian dynasty.

From 1516-26, Louis II ruled Hungary and Bohemia while his uncle ruled Poland-Lithuania.

Imagine an alternate European history where Jagiellonians forge a massive Eastern European Catholic empire. pic.twitter.com/1MEmET8AJE

— Aristocratic Fury (@LandsknechtPike) February 20, 2026