SDA eschatology had its beginnings in the Millerite movement}. The Millerite movement was primarily concerned with the return of Jesus, literally, visually, in the clouds of heaven. The French Revolution was one of several factors that caused many Bible students around the world to delve into the time prophecies of Daniel using the historicist methodology of interpretation. They concluded, to their satisfaction, that the end of the 1,260-“day” prophecy of in 1798 started the era of “time of the end.” So they next turned to the 2,300 "days" of Daniel 8:14.