Changes in Medieval Society By 7498 486 Clovis defeats the last Roman Army in Western Europe in 486 AD 529 Benedict of Nursia founds the first Benedictine monastery in Subiaco, Italy in the year 529 AD 732 Charles Martel defeats Muslim invaders in the Battle of Tours in 732 near Poiters 792 Vikings make their earliest known raid on Ireland in 792 800 Pope Leo III crowns Charlemagne emperor in 800 at St. Peter's Basilica 962 Pope crowns Otto I emperor in 962 in Bologna, Italy 1066 Norman's conquer England in 1066 in Normans, England 1088 The University of Bologna is founded in 1088 in Bologna, Italy 1096 First Crusade begins in 1096 in Western Europe with Christian knights. 1170 Thomas Beckett is murdered in 1170 in Conterbury, UK 1215 Magna Carta is signed by KIng John in Runnymede in 1215 1347 Black Plague arrives in Europe in 1347