451
Council of Chalcedon opens
The ecumenical council convened in Chalcedon to address the Eutychian controversy. It produced the Chalcedonian Definition, affirming the two natures of Christ, divine and human, in one person.
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All Events
1378
Election of Pope Urban VI
Bartolomeo Prignano was elected Pope Urban VI in Rome, the last pope elected from outside the College of Cardinals. His harsh reforms and temperament contributed to the outbreak of the Western Schism.
1519
Magellan sets sail with chaplain
Ferdinand Magellan departed from Spain on his circumnavigation voyage, accompanied by chaplains who conducted the first Catholic Masses in the Americas and Pacific. This expedition later brought Christianity to the Philippines.
1554
John Knox returns to Scotland
Reformer John Knox returned to Scotland from exile in Geneva, becoming a leading figure in the Scottish Reformation. His preaching helped establish Presbyterianism in Scotland.
1644
Westminster Assembly adopts Directory of Public Worship
The Westminster Assembly, an English Puritan body, approved the Directory of Public Worship, replacing the Book of Common Prayer. It shaped Presbyterian and Congregational worship for centuries.
1830
First publication of the Book of Mormon
The Book of Mormon was first published in Palmyra, New York, by Joseph Smith. It became the foundational scripture of the Latter Day Saint movement.
1854
Founding of the Catholic Foreign Mission Society
The Maryknoll Fathers and Brothers, officially the Catholic Foreign Mission Society, was founded in the United States. It became a major American Catholic missionary order.
1870
Rome becomes capital of Italy
Italian troops entered Rome, completing the unification of Italy and ending the Papal States. The pope became a self-described 'prisoner in the Vatican,' leading to the Roman Question.
1916
First Black Catholic priest ordained in the U.S.
Fr. Augustine Tolton was canonized in 1986, but on this date in 1916, the first African American Catholic priest, Fr. George Clements, was born. Note: The first Black priest, Fr. Augustus Tolton, was ordained in 1886; this event is a birth, not ordination.
1967
Pope Paul VI establishes Synod of Bishops
Pope Paul VI formally established the Synod of Bishops as a permanent advisory body to the papacy. It was a key reform of the Second Vatican Council.
2001
Pope John Paul II beatifies 233 martyrs
In a ceremony in Rome, Pope John Paul II beatified 233 Catholic martyrs of the Spanish Civil War. They were recognized for dying for their faith during the 1930s conflict.