Theme (Byzantine district)
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The themes or thémata were the main military and administrative divisions of the Byzantine Empire. They were established in the mid-7th century in the aftermath of the Slavic migrations to the Balkans
Ruins at Sergiopolis
Fighting between Byzantines and Arabs Chronikon of Ioannis Skylitzes, end of 13th century
Byzantine Empire
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The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the fall of
Theme (Byzantine district)
…The themes or thémata (Greek: θέματα, thémata, singular: θέμα, théma) were the main military and administrative divisions of the Byzantine Empire. They were established in the mid-7th century in the aftermath of the Slavic migrations to the Balkans and Muslim conquests of parts of Eastern Roman…
Constantine I, also known as Constantine the Great, was Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He founded the city of Constantinople (now Istanbul) and made it the capital of the Empire, which it remained for over a millennium.
The Theodosian Walls of Constantinople, very important during the 717–718 siege
Gold solidus of Leo III (left) and his son and heir, Constantine V (right)
The seizure of Edessa (1031) by the Byzantines under George Maniakes and the counterattack by the Seljuk Turks