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

Answer

AD. 321.

By what name are the sacred writings of the Bible commonly known?
What great exchange has been wrought for us in Christ?
What did Jesus say the Spirit of truth would do?
What is said of the little horn as compared with the ten horns of the fourth beast of Daniel 7?
How are the rise and work of this power described?
What sign was to follow the darkening of the sun and the moon?
What instruction does the Apostle John give touching this subject?

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