""Is Saturday or Sunday the Christian Sabbath? A Refutation of Sabbatarianism"" is a book written by William Armstrong in 1880. The book presents an argument against Sabbatarianism, which is the belief that the Sabbath day should be observed on Saturday instead of Sunday. Armstrong argues that the Sabbath was fulfilled in Christ and therefore is no longer binding on Christians. He also examines the history of the Sabbath and the reasons why Sunday became the day of worship for Christians. The book provides a detailed analysis of the biblical texts related to the Sabbath and offers a comprehensive refutation of the Sabbatarian position. Overall, ""Is Saturday or Sunday the Christian Sabbath? A Refutation of Sabbatarianism"" is a scholarly work that provides a thorough examination of the topic and offers a compelling argument against Sabbatarianism.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.