A powerful maritime republic in Italy that dominated trade in the Mediterranean.
The medieval continuation of the Roman Empire in the East, centered on Constantinople. For over a millennium, it served as a bastion of Christianity and Roman law, preserving ancient knowledge until its fall in 1453.
The Holy Roman Empire was a decentralized medieval Central European empire founded in 962 AD, characterized by its elective emperors and complex relations with the Papacy.
The Kingdom of France was a major medieval Western European state that originated from West Francia and became the cultural and military heartland of the Crusades.
