Constantine was the first Christian Emperor
The ancient Greeks are believed to have brought a new religion to Rome. They introduced their gods and some of the Romans were converted.
Akbar
Emperor Trajan built programs for the slaves, and he built a new forum in rome.
invaters came and gave them a new religion
The best emperor of Rome would probably be Augustus. He was the one who smoothly established a new form of government and in addition, reformed the army and rebuilt the city.
Christianity.
He moved the capital of Rome to Byzantium, later known as Constantinople, and named the city New Rome. Constantine was also the first Christian Roman emperor.
Ezana helped to bring a new religion to Africa when he converted to Christianity. In A.D. 334 he made it the official religion of Axum.
Born Again is his new religion. He is not using rosary and he's now using bible. Actually, Born Again is not a religion. Manny has converted to Protestant Christianity and turned away from Catholicism.
he had to do two things that's all I know.
Christianity was spread because of the aggressive evangelizing that the first century Christians did. Most notably, the Apostle Paul made a missionary trip to Rome. Since Paul was a Roman citizen by law he was able to do more legally than most other Christians at the time. Although, even he ended up in prison eventually. By the time of the 4th century, Christianity had spread so much throughout the Roman Empire, that the Emperor Constantine made a power move, first to make it legal to practice the religion, and then he made it the official religion of the Empire later on during his reign.
Yes, the Russian Czar, and the German Kaiser, and the Scandinavian Keiser, comes from Caesar. It means emperor, but it is interesting to note that Julius Caesar was never an emperor of Rome. He was dictator, and his successor Augustus was voted the new Caesar and became the first roman emperor.