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Byzantine Government
The government of the Byzantine Empire was headed and dominated by the emperor, but there were many other important officials who assisted in operating the finances, judiciary, military, and bureaucracy of a huge territory. Without elections...

Definition
Romanos I
Romanos I Lekapenos (“the Ignorant”) was emperor of the Byzantine Empire from 920 to 944 CE. Of Armenian descent, he was a military commander who usurped the throne to rule as co-emperor with the rightful heir, but still minor...

Definition
Michael IV the Paphlagonian
Michael IV the Paphlagonian was Byzantine emperor from 1034 to 1041 CE. He had an affair with Empress Zoe, then married her and was crowned emperor after the death of her first husband, Romanos III. He ran a competent regime that kept the...

Definition
Constantine VII
Constantine VII was Byzantine emperor from 945 until 959 CE. Sometimes known as Constantine Porphyrogennetos because of his birth in the purple chamber of the royal palace, he was served by various regents from 912 CE until reigning in his...

Definition
Isaac I Komnenos
Isaac I Komnenos was the Byzantine emperor from 1057 to 1059 CE. Although his reign was brief, he was known for being a capable and militarily astute general and emperor. As the first emperor to lead troops himself in battle in over 30 years...

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Leo III
Leo III was emperor of the Byzantine Empire from 717 to 741 CE. He founded the Isaurian dynasty which ruled until 802 CE. The emperor was a talented administrator, and he revamped the empire’s political apparatus and legal code. Leo’s...

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Constantine IV
Constantine IV ruled as emperor of the Byzantine empire from 668 to 685 CE. His reign is best remembered today for the five-year Arab siege of Constantinople from 674 CE, which the Byzantines resisted thanks to their strong fortifications...

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Heraclius
Heraclius (Herakleios) was emperor of the Byzantine Empire from 610 to 641 CE. He crushed the Persian empire and returned the looted True Cross to Jerusalem, but the second half of his reign was beset by intrigues and ecclesiastical controversies...

Definition
Empress Zoe
Zoe Porphyrogenita was empress of the Byzantine Empire from 1028 CE until her death in 1050 CE. In an eventful career, she reigned alongside three husbands, had a hand in the succession of her adopted son, and, in 1042 CE, she was co-ruler...

Definition
Empress Irene
Empress Irene was the wife of Leo IV and, on her husband’s death, she reigned as regent for her son Constantine VI from 780 to 790 CE. From 797 to 802 CE she ruled as emperor in her own right, the first woman to do so in Byzantine history...