In 313, Constantine, the emperor of Rome, issued the Edict
of Milan to mandate tolerance for all religions.
It was a follow up of the Edict of Toleration by Galerius in
311. Constantine issued the Edict of Milan on February 313 AD with the purpose
of treating Christians benevolently in the Roman Empire. It gave Christianity a
legal status but it did not make Christianity the official religion of the
Roman Empire. However, there are some arguments whether a formal Edict of Milan
was given.
The reason why Samuel Slater known as the "Father of the American Industrialization Revolutions is because he brought knowledge of the British Industrial Techniques to the United States starting industrialization.
