Nicaea: Did you mean...?

The Council of Chalcedon was called in 451 CE by the Roman Emperor Marcian (r. 450-457) to settle debates regarding the nature (hypostases, "reality") of Christ that had begun at two earlier meetings in Ephesus (431 CE and 439 CE). The question...

Arsinoe II (l. c. 318/311 - c. 270/268 BCE), daughter of Ptolemy I became one of the most enduring figures of the Lagid or Ptolemaic Dynasty and left an undeniable mark in the historical evidence. She was married three times; first to Alexander...

In 1204 CE the unthinkable happened and Constantinople, after nine centuries of withstanding all comers, was brutally sacked. Even more startling was the fact that the perpetrators were not any of the traditional enemies of the Byzantine...

There were many famous women of early Christianity who made significant contributions to the development of the faith but have since been largely forgotten. Some have been canonized by the Church or recognized in other ways, but their efforts...

Eusebius Pamphili (aka Eusebius of Caesarea, 260-340 CE) was a Christian historian, exegete, and polemicist. He became the bishop of Caesarea Maritima in 314 CE and served as court bishop during the reign of Constantine I (r. 306-337 CE...

The Byzantine Empire existed from 330 to 1453. It is often called the Eastern Roman Empire or simply Byzantium. The Byzantine capital was founded at Constantinople by Constantine I (r. 306-337). The Byzantine Empire varied in size over the...

Map showing the spread of Christianity, showing both strongly Christianized areas before 325 CE and generally Christianized areas until 600 CE. The map also shows major Christian centers and the cities in which Christian councils were held.

The Imperium Romaniae, commonly known as the Latin Empire (1204–1261), emerged from the upheaval of the Fourth Crusade (1202–1204), when Western European forces captured and sacked Constantinople in 1204. This event brought an abrupt end...

Christianity is the world's largest religion, with 2.8 billion adherents. It is categorized as one of the three Abrahamic or monotheistic religions of the Western tradition along with Judaism and Islam. 'Christian' is derived from the Greek...

Easter is the Christian holiday that celebrates the resurrection of Jesus of Nazareth three days after he died from crucifixion by the Roman magistrate Pontius Pilate (c. 30 CE). Easter Sunday is the culmination of the week-long events that...