Middle Ages By David--f 324 Creation of Constantinople 395 Roman Emperor Theodosius He divided the Roman Empire between his 2 sons Period: 476 to 1050 Early Middle Ages Period: 527 to 565 Emperor Justinian Hagia Sophia, Code Of Justinian... 622 Birth of Islam Muhammad created the first islamic community in Medina. 711 Muslim Conquest of Iberian Peninsula Period: 1050 to 1250 High Middle Ages 1054 Schism between Roman Christianity and Orthodox religion Period: 1250 to 1492 Late Middle Ages 1453 Fall of Constantinople 1492 Columbus discovered America