March 3, 2014 | Weekly Standard
Every student of American religious history has heard of the event known as “the Great Disappointment.” In 1818 William Miller, a former naval captain turned lay Baptist preacher, developed a new method for calculating biblical chronology to arrive at the conclusion that the millennium would take place sometime between 1842 and 1844. Finally published in 1832, Miller’s thesis quickly drew attention. A sect began to form, spreading from Miller’s home region in Eastern New York to New England and beyond. Millerism was born.