History of the Catholic Church By elenaramage 100 Peter establishes the Diocese of Rome 100 The Church is officially given the name "Christians" 313 Edict of Milan 324 Christianity becomes the official religion of the Roman Empire 430 St. Augustine Christianizes England 450 St. Patrick Christianizes Ireland 451 Council of Chalcedon 476 Fall of Rome 509 King Clovis Christianizes Franks Jan 1, 700 Mohammed founds Islam Jan 1, 750 St. Boniface Christianizes Germany Jan 1, 800 Charlemagne is crowned King of the Franks by Pope Leo Period: Jan 1, 800 to Jan 1, 1648 Era of great wealth and power for the Church Jan 1, 1054 Eastern Catholic Church splits from Western Catholic Church Period: Jan 1, 1095 to Jan 1, 2016 The nine Crusades Jan 1, 1100 Jerusalem falls to the Muslims Period: Jan 1, 1306 to Jan 1, 1376 Babylonian Captivity Period: Jan 1, 1378 to Jan 1, 1417 The Great Schism Oct 31, 1517 Posting of 95 Thesis (Beginning of Protestant Reformation) Jan 1, 1534 Church of England Established Jan 1, 1545 Council of Trent Jan 1, 1648 Treaty of Westphalia Period: Jan 1, 1650 to Feb 17, 2016 Enlightenment Jan 1, 1870 First Vatican Council Period: Jul 28, 1914 to Nov 11, 1918 World War I Jan 1, 1962 Second Vatican Council Oct 16, 1978 Election of Pope John Paul II Apr 19, 2005 Election of Pope Benedict XVI Period: Mar 13, 2013 to Feb 17, 2016 Papacy of Pope Francis