First Council of Nicaea: Did you mean...?

Marie Dentière (l. c. 1495-1561) was a French theologian, writer, and street preacher who advanced the cause of the Protestant Reformation in Geneva, Switzerland. Her written works were controversial primarily because she was a woman and...

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...

The Parson's Cause was a legal and political controversy that arose in the British colony of Virginia in the early 1760s. In response to the royal veto of the Two Penny Act, a policy passed by Virginia's House of Burgesses, a young lawyer...

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...

Huldrych Zwingli (l. 1484-1531) broke with the Church in 1522 and defended his beliefs at the First Disputation in 1523, encouraging many people in Zürich to embrace his teachings. Among his followers was a group, soon known as Anabaptists...

The Hussite Wars (1419 to c. 1434) were a series of conflicts fought in Bohemia (modern-day Czech Republic) between followers of the reformer Jan Hus and Catholic loyalists toward the end of the Bohemian Reformation (c. 1380 to c. 1436...

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...

Huldrych Zwingli (l. 1484-1531) was a Swiss priest who became the leader of the Protestant Reformation in the region at the same time Martin Luther (l. 1483-1546) was active in Germany. Zwingli is known as the 'third man of the Reformation'...

The First Crusade (1096–1099) marked the beginning of a series of military campaigns launched by Western European Christians in response to Pope Urban II's appeal at the Council of Clermont (1095). The goal was to recapture Jerusalem and...