Early Middle Ages Timeline By mrfries Period: 450 to Jan 1, 1250 Early Middle Ages 527 Justinian becomes head of Byzantines Jan 1, 732 Charles Martel halts Islamic advance at Tours Mar 2, 2022 Clovis becomes king of the Franks Clovis converts to Christianity Clovis was the king who began the Merovingian line. Mar 2, 2022 Clovis converts Mar 2, 2022 Charlemagne becomes "King of Romans" Mar 2, 2022 Charlemagne dies