Ndigila have a look at the following links and quotes are evidences for Sabbath keeping throughout World's history Eden, et.
1.
Sabbath from Creation
2.
Some historians
JOSEPHUS
"There is not any city of the Grecians, nor any of the Barbarians, nor any nation whatsoever, whither our custom of resting on the seventh day hath not come!" M'Clatchie, "Notes and Queries on China and Japan" (edited by Dennys), Vol 4, Nos 7, 8, p.100.
PHILO
Declares the seventh day to be a festival, not of this or of that city, but of the universe. M'Clatchie, "Notes and Queries," Vol. 4, 99
So we have incontrovertible proof that the observance of sunday was NOT practiced by the apostolic church of the first century. Although the poison of apostasy had already begun, it did not reach the ascendancy until the passage of a few more centuries.
The next installment will show the historical record of the early christians observing the true seventh day Sabbath in the second century A.D.
3. F
irst century Sabbath worhip
4. Lastly, I find
this link to provide a non biased approach to the observance of Sunday as was slowly developed by the early church. Also check on
this one.