The flag of the Roman Empire from 27 BC has a design of an eagle. Double-headed eagle was used in the Byzantine Empire from 395 after the east-west division of the Roman Empire. The Holy Roman Empire, which was destroyed around 480 and revived in 800, also uses a double-headed eagle for both its national flag and national emblem, and continues from 800 to 1806. The country was centered around Germany, Austria, the Czech Republic and northern Italy.

Double-headed eagles were found in Iran's Jiroft culture.

The double-headed eagle became the emblem of the Holy Roman Empire and the Habsburgs, and was inherited by the Austrian Empire, Austria-Hungary Empire, and German Empire. Until the beginning of the 20th century, the Habsburgs became the family of the Archduchy In 1472, the Russian Empire and in the 16th century, the coat of arms of Austria, the Kingdom of Spain, the Kingdom of Naples, the Grand Duchy of Tuscany, the Kingdom of Bohemia, the Kingdom of Hungary, and the Austrian Empire. of Spain became a double-headed eagle.

The double-headed eagle of the Byzantine Empire was inherited by the Greek Orthodox Church, the Ecumenical Patriarchate of Constantinople, Serbia, Albania, etc. after its fall around 1453.