By what authority was Sunday Sabbath-keeping instituted?

Answer

By the authority of the Catholic Church. See page 131.

What importance is attached to Christ's resurrection?
What event does he speak of as immediately following these times of refreshing?
What scripture shows that the Roman emperors ruled the world?
22. In what announcement in the New Testament is the establishment of the kingdom of God made known?
How is the remnant church described?
What does Christ proclaim Himself to be?
13. The righteous dead are raised at Christ's second coming. When will the rest of the dead, the wicked, be raised?

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