AD 1000-1500

  • 1000

    Muslims control two thirds of the ancient Christian world

  • 1054

    The Great Schism

  • 1073

    St. Gregory VII elected pope

  • 1073

    Pope St. Gregory VII excommunicates the Holy Roman Emperor Henry IV

  • 1088

    First universities founded

  • 1094

    The Byzantine emperor in Constantinople asks the West for aid against Muslim armies

  • 1095

    Pope Urban II calls for a Crusade, and Christians temporarily capture Jerusalem

  • 1144

    First Gothic cathedral completed

  • 1204

    Crusaders from the Fourth Crusade sack Constantinople

  • 1209

    Franciscan Order is founded by St. Francis of Assisi

  • 1216

    Dominican Order founded by St. Dominic

  • 1229

    The Inquisition is founded

  • 1265

    Second and Third Crusades

  • 1265

    St. Thomas Aquinas write the Summa Theologica

  • 1300

    The Renaissance begins

  • 1347

    Bubonic plague arrives in Europe

  • 1377

    St. Catherine of Siena convinces the pope to return the papacy to Rome

  • 1386

    St. Catherine of Siena cares for the sick and buries the dead when the plague strikes Siena.

  • 1453

    Muslims conquer Constantinople and tun Hagia Sophia into a mosque

  • 1492

    Christopher Columbus reaches the Americas