While excavating Visegrád Citadel, a 13th-century fortress north of Budapest, Hungary, that was once a royal residence, archaeologists uncovered a trove of military history. Inside a filled-in moat, ...

In 1271, Czech king Přemysl Otakar II took the castle, and in 1287 came Austrian Duke Albert I of Habsburg. It was last conquered in 1385, after an invasion by the army of the Moravian margraves ...