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

Answer

AD. 321.

For what spiritual enlightenment should everyone pray?
Why must justifying faith lay hold upon both the death and the resurrection of Christ?
What was the special message for Noah's day?
What did those do who were baptized of John?
By what is the knowledge of sin?
Why did the Lord abhor the Canaanites?
What does the Psalmist say of these chariots?

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