What was the date of Constantine's famous Sunday law?

Answer

AD. 321.

What are some of the attributes of God?
Who is the Comforter, and what was He to do?
What complaint is made against Sunday trains and Sunday newspapers?
What directions were given by Constantine's Sunday law of March 7, 321?
What is to be their fate?
What is the gospel to everyone that believes?
What universal chorus of praise will then be heard?

Questions & Answers are from the book Bible Readings for the Home Circle