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

Answer

AD. 321.

What special message was given to Jonah for Nineveh?
What did the devout Simeon say when he saw the child Jesus?
What were these stones to commemorate?
What day is the Sabbath, \"according to the commandment\"?
Under what figures is the first trumpet described?
Who witnessed the laying of the foundations of the earth?
How did Elijah pray before obtaining his request?

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