Council of Constance: Did you mean...?

The Index of Prohibited Books (Index Librorum Prohibitorum) was a list of written works condemned as heretical or injurious to the Christian faith by the Catholic Church at the Council of...

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...

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...

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...

Jan Hus (also John Huss, l. c. 1369-1415) was a Czech philosopher, priest, and theologian who, inspired by the work of John Wycliffe (l. 1330-1384) challenged the policies and practices of the medieval Church and so launched the Bohemian...

Johann Eck (l. 1486-1543) was a Catholic theologian and writer best known for his disputations with Martin Luther (l. 1483-1546) beginning in 1517 and continuing until his death in 1543. Eck maintained the position that, if anyone...

The Christian doctrine of the Trinity (from the Latin trinus, meaning "threefold") professes that there is one God, but three eternal and consubstantial persons (aspects): the Father, the Son, and the Holy Spirit. The Father is the God...

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 Bohemian Reformation (c. 1380 to c. 1436) was the first concerted effort by Catholic clergy to reform the abuses and corruption of the medieval Church. Bohemian clerics and theologians called for reform and, like later...

Pope Joan was a legendary female pope of the Middle Ages said to have reigned from 855 to 858. After her story was popularized by Italian writer Giovanni Boccaccio (1313-1375), a statue of her was placed alongside those of other popes...