The Great Apostasy is a concept within Christianity to describe a perception that mainstream Christian Churches have fallen away from the original faith founded by Jesus and promulgated through his Twelve Apostles.
Antichristus, a woodcut by Lucas Cranach the Elder: the pope depicted as the Antichrist, using his temporal power to grant authority to a generously contributing ruler.
Pythagoreans celebrate sunrise
LDS Church members believe that Joseph Smith was called by God to restore the true teachings of Jesus Christ
Restorationism, also known as Restitutionism or Christian primitivism, is a religious perspective according to which the early beliefs and practices of the followers of Jesus were either lost or adulterated after his death and required a "restoration". It is a view that often "seeks to correct faults or deficiencies by appealing to the primitive church as normative model".
Huldrych Zwingli as depicted by Hans Asper in an oil portrait from 1531; Kunstmuseum Winterthur.
James Robinson Graves
1839 Methodist camp meeting, watercolor from the Second Great Awakening.
Barton W. Stone