Map of Europe in 1000 AD (1000 CE)

The Fatimid Caliphate, also known as the Fatimid Empire, was a caliphate that existed from the tenth to the twelfth centuries CE under the rule of the Fatimids, an Isma'ili Shi'a dynasty. Spanning a large area of North Africa and West Asia, it ranged from the western Mediterranean in the west to the Red Sea in the east.

Mapped extent in 1000 CE: 1.95M km²

Kievan Rus', also known as Kyivan Rus', was the first East Slavic state and, later, an amalgam of principalities, in Eastern Europe from the late 9th to the mid-13th century. Encompassing a variety of polities and peoples, including East Slavic, Norse, and Finnic, it was ruled by the Rurik dynasty, founded by the Varangian prince Rurik.

Mapped extent in 1000 CE: 1.17M km²

The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Eastern part of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the fall of the Western Roman Empire in the 5th century AD, it endured until the fall of Constantinople to the Ottoman Empire in 1453.

Mapped extent in 1000 CE: 864,780 km²

The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity comprising and controlling much of Central Europe and Western Europe, headed by the Holy Roman Emperor and characterized by a decentralized political structure. It developed in the Early Middle Ages, and lasted for a millennium until its dissolution in 1806 during the Napoleonic Wars.

Mapped extent in 1000 CE: 701,841 km²

The Emirate of Córdoba, and from 929, the Caliphate of Córdoba, was an Arab Islamic state ruled by the Umayyad dynasty from 756 to 1031. Its territory comprised most of the Iberian Peninsula, the Balearic Islands, and parts of North Africa, with its capital in Córdoba.

Mapped extent in 1000 CE: 564,714 km²

The Kingdom of France is the historiographical name or umbrella term given to various political entities of France in the medieval and early modern period. It was one of the most powerful states in Europe from the High Middle Ages to 1848 during its dissolution.

Mapped extent in 1000 CE: 420,380 km²