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

Answer

AD. 321.

Upon what basis is justification granted?
What statement testifies to Abraham's faith in God ?
In what song of praise did a host of angels join?
Was it possible for Christ to be holden of death?
What does Neander say of the securing of these laws?
What were to be the signs on earth of Christ's coming?
How was Peter delivered later?

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