Pope gregory i: Did you mean...?

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...

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...

The Protestant Reformation (1517-1648) refers to the widespread religious, cultural, and social upheaval of 16th-century Europe that broke the hold of the medieval Church, allowing for the development of personal interpretations of the Christian...

The Magna Carta or 'Great Charter' was an agreement imposed on King John of England (r. 1199-1216) on 15 June 1215 by rebellious barons in order to limit his power and prevent arbitrary royal acts like land confiscation and unreasonable taxes...

The Crusades were a series of military campaigns organised by Christian powers in order to retake Jerusalem and the Holy Land back from Muslim control. There would be eight officially sanctioned crusades between 1095 CE and 1270 CE and many...

The ruins of Zvartnots Cathedral are located on a flat plain within the Ararat Plateau between the cities of Yerevan and Etchmiadzin in Armenia's Armavir province near Zvartnots International Airport. Built in the middle of the 7th century...

Saint Basil (c. 330 - c. 379 CE), also known as Basil the Great and Basil of Caesarea, was a bishop of Caesarea in central Asia Minor who staunchly defended the church against the 4th-century CE heresy of Arianism. Basil's writings on monasticism...

The Arsacid (Arshakuni) dynasty of Armenia ruled that kingdom from 12 CE to 428 CE. A branch of the Arsacid dynasty of Parthia, the Armenian princes also played out a prolonged balancing act by remaining friendly to the other great power...

The Carolingian Dynasty (751-887) was a family of Frankish nobles who ruled Francia and its successor kingdoms in Western and Central Europe during the Early Middle Ages. The dynasty expanded from Francia as far as modern Italy, Spain, and...

The 1905 Law of Separation of Church and State was enacted as the climax of decades of conflict between monarchists and anticlerical Republicans who viewed Christianity as a permanent obstacle to the social development of the Republic. The...