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

Answer

AD. 321.

How is the love of God supplied to the believer?
Why did John write his testimony concerning God's love and purpose in giving Christ?
In what were the laws or commandments respecting sacrifices and burnt offerings written?
What besides creation were Israel to remember when they kept the Sabbath?
How have the rich defrauded the laborers?
What promise is made to those who look for Him?
Upon what one fact does Paul base the Christian hope?

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