I'm confused. Are you saying you agree with Roamer_1 that the Lord's Day on Sunday is a violation of God's commandments?
Romans 14
(The Weak and the Strong)
1Accept him whose faith is weak, without passing judgment on disputable matters. 2One man’s faith allows him to eat everything, but another man, whose faith is weak, eats only vegetables. 3The man who eats everything must not look down on him who does not, and the man who does not eat everything must not condemn the man who does, for God has accepted him. 4Who are you to judge someone else’s servant? To his own master he stands or falls. And he will stand, for the Lord is able to make him stand.
5 One man considers one day more sacred than another; another man considers every day alike. Each one should be fully convinced in his own mind. 6He who regards one day as special, does so to the Lord. He who eats meat, eats to the Lord, for he gives thanks to God; and he who abstains, does so to the Lord and gives thanks to God. 7For none of us lives to himself alone and none of us dies to himself alone. 8If we live, we live to the Lord; and if we die, we die to the Lord. So, whether we live or die, we belong to the Lord.
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If one makes salvation conditional on the day one worships, that’s an issue. Otherwise, it shouldn’t matter.
I'm sorry I wasn't clearer.
I don't believe it is because during the Apostolic Era and immediately following Christians worshiped on both Saturday and Sunday. I was injecting into the discussion that the controversy probably really got started because a pagan emperor set a day of worship for Christians.