AD 1000-1500 By flopez21 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 1114 First Gothic cathedral completed 1147 Second Crusades 1192 third crusade 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 Thomas Aquinas St. Augustine write the summa Theologica 1274 Thomas Aquinas St. Augustine write the summa Theologica 1300 The Renaissance begins 1347 Bubonic plague arrives in Europe. 1386 St. Catherine of Siena cares for the sick and buries the dead when the plague strikes Siena.