The East-Central Region
Central Europe was born as a child of the West, who later married the East. It appeared on the political map of Europe around the year 1000. Within a few decades, the fluid contours of tribal settlements stabilized into states: Slavic tribes in the north united in 963 into the Principality of Poland; Magyar clans from Asia penetrated at the very end of the ninth century into the Carpathian Basin and established the principality of Hungary. To the west, the Czech-Bohemian Kingdom of Moravia was first destroyed by the Magyar invasion, then occupied by Germany. To the south, the Hungarians annexed to their kingdom the Slavic Croatia.
Together, with the formation and stabilization of the political map of Central Europe, went the Christianization of the region: Poland in 966, Hungary in 1000, the German-annexed Moravia in 929, and the Hungarian-annexed Croatia in 1091.
Stabilization and Christianization also meant the eastward expansion of the western region from its core, the Kingdoms of France, Germany, and Italy, successors of the divided Carolingian Empire. Central Europe became the periphery of the western re-