The Great Controversy describes Constantine as making Sunday a public festival.
In the early part of the fourth century the emperor Constantine issued a decree making Sunday a public festival throughout the Roman Empire.
But the Pope had changed it from the seventh to the first day of the week; for he was to change times and laws.
The pope has changed the day of rest from the seventh to the first day.
Since Constantine was never pope these 3 passages can not be speaking of the same person.
Who do the Seventh Day Adventists say changed the Sabbath day?