Pre-Reformation Period

Roman Catholics
Gnostics c. 200
Coptic Church 425
Eastern Orthodoxy 1054
Waldensians 1173
-- Peter Waldo
Lollards c. 1379
-- John Wycliffe
Hussites 1415

Sixteenth Century

Lutheranism 1517
-- Martin Luther
Anabaptism 1521
Scandinavian Lutherans
Christian II
Zwinglianism 1523
-- Huldreich Zwingli
Anglicanism 1534
-- Henry VIII/Bishop Cranmer
Mennonites c. 1536
-- Menno Simons
Calvinism 1536
-- John Calvin
German Reformed Church c. 1540s
Hungarian Reformed Church c. 1550s
French Calvinists (Huguenots)
Scottish Presbyterians c. 1560
-- John Knox
Congregationalism (Puritans)
Dutch Reformed Church c. 1570s

Seventeenth Century

English Baptists c. 1606
-- John Smyth
Quakers 1647
-- George Fox
Amish c. 1690
-- Jacob Ammon

Eighteenth Century

Moravians c. 1722
-- Count Nikolaus von Zinzendorf
Methodism 1739
-- John Wesley
Shakers 1776
-- Ann Lee
Protestant Episcopal Church 1785
Swedenborgians 1789
-- Emanuel Swedenborg

Nineteenth Century

United Brethren in Christ 1800
-- Philip Otterbein
Evangelical Association 1807
-- Jacob Albright
Unitarianism USA 1819
-- William Ellery Channing
Christian Churches 1827
-- Barton V. Stone
Disciples of Christ 1831
-- Thomas Campbell
Anglo-Catholicism 1833
Seventh Day Adventists 1863
Salvation Army 1865
-- William Booth
Christian Science 1879
-- Mary Baker Eddy