Byzantium existed for more than a thousand years

Byzantium is the only state that continuously survived from ancient times to the dawn of the modern age. Byzantium existed for more than a thousand years. Constantine the Great, born Nis, ( today Serbia, 270/288-337) was Roman Emperor from 306 to 337. He established Christianity as the official religion of the Empire and founded Constantinople, the capital of the Byzantine Empire.

The double-headed eagle was the symbol of the Palaiologoi dynasty. One of the most recognizable (other than the cross) and beloved Greek symbols, the double-headed eagle of Byzantium.

Flag of the Komnenos (Comnenus) dynasty in the 11th century.

Photograph of the emblem found above the front entrance of the Ecumenical Patriarchate of Constantinople, symbol of the Ecumenical Patriarchate of Constantinople.

 

Emblem of Church of Cyprus.