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Who Is Jesus?Find the Truth About Christ

Discover the unchanged faith preserved from the Apostles to today

The Timeline of Christianity

From the Incarnation to today — witness the unfolding of Christian history

0 AD

Birth of Christ

The Incarnation

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33 AD

Early Church

Pentecost & Apostolic Era

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325 AD

Council of Nicaea

First Ecumenical Council

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451 AD

Council of Chalcedon

Oriental Orthodox split

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1054 AD

Great Schism

East-West division

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1517 AD

Protestant Reformation

Luther's 95 Theses

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1534 AD

Anglican Church

Church of England formed

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1830 AD

Restoration Movement

American Christian movements

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2025 AD

Today

Modern Christianity

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Origin

Early Church

Oriental Orthodox

Great Schism

Reformation

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A Comprehensive Timeline of Church History

From the Apostolic Age through 2,000 years of Christian tradition

Tradition Branches

Orthodox

Catholic

Protestant

Anglican

Baptist

Other

One Holy Catholic and Apostolic Church

E A S T E R N C H R I S T I A N I T Y

W E S T E R N C H R I S T I A N I T Y

1054

Great Schism

New Testament Era

0–100 AD

The birth of Christianity and the Apostolic Age

4 events

33 ADOrthodox★ Key Event

Pentecost

A.D. 29 is thought to be more accurate

49 ADOrthodox★ Key Event

Council at Jerusalem

Acts 15 establishes precedent for addressing church disputes in Council. James presides as bishop.

69 ADOrthodox

Bishop Ignatius Consecrated

Bishop Ignatius consecrated in Antioch in the heart of New Testament era. St. Peter had been the first bishop there. Other early bishops include James, Polycarp, Clement.

95 ADOrthodox

Book of Revelation

Book of Revelation written, probably the last of the New Testament books.

Early Church Period

100–300 AD

The formation of early Christian doctrine and practice

2 events

The Seven Ecumenical Councils

325–787 AD

Defining orthodox doctrine through ecumenical councils

7 events

Late 8th–10th Century

787–1000 AD

Growing tensions between East and West

2 events

The Great Schism & After

1054–1453 AD

The division between East and West becomes permanent

6 events

Reformation & Modern Era

1517–1870 AD

Protestant Reformation and further divisions in Western Christianity

12 events

19th Century Movements

1800–1900 AD

New religious movements and denominations emerge

5 events

20th–21st Century

1900–2025 AD

Modern Christianity and contemporary movements

6 events

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What's Your Background?

Select your denomination to discover how it differs from the ancient Christian faith

☦️

Eastern Orthodox

The unchanged faith of the early Church

Est. 33 AD

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Roman Catholic

Western Christianity after the Great Schism

Est. 1054 AD

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Protestant

Reformed traditions from the Reformation

Est. 1517 AD

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Anglican/Episcopal

English Reformation tradition

Est. 1534 AD

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Baptist

Believer's baptism tradition

Est. 1609 AD

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Methodist

Wesleyan revival movement

Est. 1738 AD

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🕊️

Pentecostal

Charismatic renewal movement

Est. 1906 AD

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LDS/Mormon

Latter-day Saint tradition

Est. 1830 AD

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Other/Exploring

Learning about Christianity

Est. 2025 AD

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Educational Resource

This chatbot provides educational information about Orthodox Christian theology based on historical sources. It is not a substitute for pastoral guidance or official church teaching. For matters of faith and practice, please consult your local Orthodox priest.