Czech Republic

A new state was created around the Přemyslid tribe, who founded the Duchy of Bohemia.

An excerpt from the article 27 facts about Czech Republic

The Přemyslid dynasty died out at the beginning of the 14th century and was replaced by the Luxembourg dynasty. The most famous of Luxembourg's rulers was Charles IV, elected emperor of the Holy Roman Empire. He founded the Archbishopric of Prague and Charles University, the first university north of the Alps and east of Paris.