Jesus of Nazareth (ca. 6 BC-ca. 29 AD) was the Jewish preacher responsible for the establishment of Christianity. With much respect for the Jewish scriptures, Jesus preached his views on religious issues such as Sabbath observance, food laws, and ritual purity. Ultimately, the spread of these views was the stimulus for his arrest and crucifixion upon his arrival in Jerusalem. Although many considered him a troublemaker, many Jews believed that Jesus was indeed the Messiah mentioned in the Old Testament. Jesus emphasized the importance of loving God and other human beings so that his followers could prepare for the "coming" of the kingdom of God. Christianity, today the most practiced religion in the world, originated from the teachings of Jesus of Nazareth and will continue to have a significant impact on the modern world. The transformation of the Carolingian Empire into a restored Roman Empire in the 8th century is attributed to Charles I the Great, also known as King Charlemagne. Charlemagne, who reigned from 768 to 814, was Christian and reminded many of Constantine, the fir...