Why do Messianics observe the Sabbath when First-Century Jewish followers of Yeshua/Jesus worshiped on Sunday?
Sadly, this is a historical misrepresentation. Despite what many “experts” claim, early Jewish believers did not change the day of worship. The day of worship was changed by Roman Emperor Constantine at the Council of Nicea in 325 C.E. Although many publications claim Constantine was a Christian, the fact is that he worshiped “Sol Invictus”, the Invincible Sun (in the sky). He made gentilized Christianity the Roman state religion solely to strengthen his political power base. To broaden its appeal he brought in many pagan customs. However, this is not generally known in the modern gentile Church. Searching for Bible support, Christians base the claim that early Jewish believers worshiped on Sunday on two passages: 1Corinthians 16:1 Now about the collection for God’s people: Do what I told the Galatian churches to do. [2] On the first day of every week, each one of you should set aside a sum of money in keeping with his income, saving it up, so that when I come no collections will have