transition from Sabbath to Sunday, with Constantine's law declaring Sunday as a day of rest for those not involved in farming work. Subsequent to Bacchiocchi's work, Adventists have emphasized that the shift from Sabbath to Sunday was a more gradual process. Bacchiocchi has also been influential in the Worldwide Church of God (and its offshoots), which supported Sabbath-keeping until 1995, and also other Sabbath keeping groups. Beliefs Bacchiocchi supported the conservative lifestyle habits of Seventh-day Adventists, such as a vegetarian diet; abstinence from alcohol, coffee, and tea; and avoidance of rock music in church worship services. In one newsletter he submitted an hypothesis, expanding upon the Adventist (and historical Protestant) teaching that the antichrist is the papacy, to also include Islam, which he reported "generated a lot of hate mail". Controversy over academic awards There was some controversy in the 2000s over Bacchiocchi's claim to have received the awards summa cum laude (Latin for "with highest honors"), the Pope's gold medal, and an official Roman Catholic imprimatur (Latin for "let it be printed") for his doctorate at the Pontifical Gregorian University. An official letter claimed Bacchiocchi did not receive these awards. By 2007, both parties agreed he had received a summa cum laude and the Pope's gold medal, for the Licentia [a phase of the doctoral program]; and only a magna cum laude for the Doctoratus itself. Bacchiocchi defended his actions by claiming the difference between the Licentia and the Doctoratus is small and would not be understood by most English speakers. Allegations of Jesuit Influence Bacchiocchi was the target of speculation that he was a covert Jesuit infiltrating the Adventist Church on behalf of the Vatican. On Bacchiocchi's website BiblicalPerspectives.com, he responds to Five Major Allegations: Being a Jesuit Spy Rejecting the Adventist interpretation of the Number 666 as Pope's title Vicarius Filii Dei Believing that EG White had human limitations and there were inaccuracies in the Great Controversy Questioning the legitimacy of the dates (538 to 1798) in the 1260 year prophecy Promoting the ceremonial observance of Old Testament Festivals In an interview by Adventist Historian, James Arrabito, an allegation was made by Alberto Rivera (who claimed to himself have been a Jesuit which has been disputed by Catholic sources) that Bacchiocchi's book From Sabbath to Sunday was given as a ploy to win over Adventists. In 2009 a book was released by AB Publishing written by Adventist