Did Christ's followers keep the Sabbath after His death?

Answer

"And they returned, and prepared spices and ointments; and rested the Sabbath day according to the
commandment!' Luke 23: 56.

Upon what evidence did Jesus base His Messiahship?
How was He treated?
What has He commanded men to observe in memory of this great work?
By what authority was Sunday Sabbath-keeping instituted?
What prophecy had Paul upon which to base his statement?
What is promised those who add grace to grace?
Why was this to be?

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