Council of Nicaea: Did you mean...?

An 11th century CE illustration of the Seventh Ecumenical Council which decreed the end of iconoclasm in the Byzantine Church, in September 787 CE. Emperor Constantine VI (r. 780-797 CE) is depicted sitting immediately right of the central...

An image of the fresco depicting the Council of Chalcedon that was called in 451. Created by Dionisius (1444-1502) around 1520. Ferapontov Monastery, Ferapontovo, Vologda Oblast, Russia.

The First Crusade (1095-1102) was a military campaign by western European forces to recapture the city of Jerusalem and the Holy Land from Muslim control. Conceived by Pope Urban II following an appeal from the Byzantine emperor Alexios I...

The apparatus of colonial government in the Spanish Empire consisted of multiple levels, starting with the monarchy and Council of the Indies at the top and moving down to the viceroy, audiencias, mayors, and local councils. The system was...

Osman I, also known as Osman Gazi (c. 1258 - c. 1323 CE), was the founder and first Sultan of the Ottoman Beylik, which would rise to eventually become the Ottoman Empire. He was the ruler of a small Turkic principality among many in the...

Perdiccas (d. 321 BCE) was one of Alexander the Great's commanders, and after his death, custodian of the treasury, regent over Philip III and Alexander IV, and commander of the royal army. When Alexander the Great crossed the Hellespont...

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...

The French Directory, or Directorate (French: le Directoire), was the government of France from 2 November 1795 until 9 November 1799, a period that spanned the last four years of the French Revolution (1789-1799). The Directory was unpopular...

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.

Mahasanghika (“Great Congregation”, also given as Mahasamghika) was an early Buddhist school of thought which is thought to have been formed after the Second Buddhist Council of 383 BCE when it separated itself from another school, the Sthaviravada...