The Dumian Empire, Empire of the Librarians, Librarian Empire or Empire of the Keepers of Knowledge was the post-Dumian Republic period of the ancient Dumian civilization, characterized by government headed by emperors and large territorial holdings around the Caritz Sea in Aels, Zarhuy and Near Hieyoks. The old republic which preceded it was severely destabilized in a series of civil wars and political conflict. Civil wars and executions continued, culminating in the victory of a monarchist faction, that proclaimed the Empire at the year 1173 a.a.H.
The Dumian Empire lasted until the 1676 a.a.H -the Fall of Dume-.
The Dumian Empire was among the most powerful economic, cultural, political and military forces in Aiers of its time.