How did this change in observance of days come about, suddenly or gradually?

Answer

Gradually.
NOTES - "The Christian church made no formal, but a gradual and almost unconscious
transference of the one day to the other." 'The Voice From Sinai," by Archdeacon W. F. Farrar page 167.
This of itself is evidence that there was no divine command for the change of the Sabbath.
 


What may be perceived through the things that are made?
What question did others raise in opposition to this view?
To what place was Christ taken?
25. Since the Sunday Sabbath originated with the Roman power (the beast), to whom will men yield deference to compulsory Sunday laws?
How early was this tendency manifested?
When did Paul say Christ would judge the living and the dead ?
What did John see in the right hand of Him who sat on the throne ?

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