441 years ago, Pope Gregory XIII introduced what came to be known as the Gregorian Calendar, by which nearly all of the world now marks its days
A worse but interesting fact is that the Catholic Church previously changed the Seventh Day Sabbath from that day (the true Sabbath) to Sunday, the first day of the week.
A worse but interesting fact is that the Catholic Church previously changed the Seventh Day Sabbath from that day (the true Sabbath) to Sunday, the first day of the week.