books.google.gr - The district of Epiros in north-western Greece became an independent province following the Fourth Crusade and the dismemberment of the Byzantine Empire by the Latins in 1204. It retained its independence despite the recovery of Constantinople by the Greeks in 1261. Each of its rulers acquired the Byzantine...http://books.google.gr/books/about/The_Despotate_of_Epiros.html?hl=el&id=XIj0FfKto9AC&utm_source=gb-gplus-shareThe Despotate of Epiros
