Medieval Times By LisaKnight 476 Fall of the Western Roman Empire Period: 476 to 1000 Early Middle Ages 793 Vikings begin attacking Christian settlements 802 The Khmer Empire is founded in Cambodia 814 Charlemagne crowned Holy Roman Emperor 962 Otto crowned Holy Roman Emperor Period: 1000 to 1300 High Middle Ages 1054 The Great Schism (split between Catholic Church and Eastern Orthodox) 1066 The Normans conquer England 1099 The First Crusades captures Jerusalem 1204 Crusaders take Constantinople from Byzantines 1291 The Last Crusade fails Period: 1300 to 1500 Late Middle Ages 1368 The Ming dynasty is founded in China 1453 Constantinople falls ending Byzantine Empire