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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...
Definition
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 reign...
Definition
Basil I
Basil I was emperor of the Byzantine Empire from 867 to 886 CE and he founded the "Macedonian" dynasty which lasted for over 200 years. Basil was an Armenian from a humble background who had risen to become the second most powerful...
Definition
Constans II
Constans II (aka Konstans II) was emperor of the Byzantine Empire from 641 to 668 CE. Sometimes known as Constans Pogonatos (“the Bearded”), he came to the throne by a series of unlikely events and his empire was immediately challenged...
Article
Early Christianity
Emerging from a small sect of Judaism in the 1st century CE, early Christianity absorbed many of the shared religious, cultural, and intellectual traditions of the Greco-Roman world. In traditional histories of Western culture, the emergence...
Article
Six Great Heresies of the Middle Ages
The medieval Church established its monopoly over the spiritual life of Europeans in the Early Middle Ages (c. 476-1000) and consolidated that power throughout the High Middle Ages (1000-1300) and Late Middle Ages (1300-1500). Along the way...
Article
Unam Sanctam: Spiritual Authority & the Medieval Church
The Unam Sanctam (1302) was a papal bull issued by Pope Boniface VIII (served 1294-1303) requiring the complete submission of all people, including kings, to the authority and dictates of the pope. As the Church was understood as holding...
Definition
Theodosian Walls
The Theodosian Walls are the fortifications of Constantinople, capital of the Byzantine Empire, which were first built during the reign of Theodosius II (408-450 CE). Sometimes known as the Theodosian Long Walls, they built upon and extended...
Definition
Greek Fire
Greek Fire was an incendiary weapon first used in Byzantine warfare in 678 CE. The napalm of ancient warfare, the highly flammable liquid was made of secret ingredients and used both in catapulted incendiary bombs and sprayed under pressure...
Definition
The Medieval Church
Religious practice in medieval Europe (c. 476-1500) was dominated and informed by the Catholic Church. The majority of the population was Christian, and "Christian" at this time meant "Catholic" as there was initially no other form of that...