From Great Disappointment to General Conference The Millerites firmly believed that Jesus Christ's "second advent" (His second coming to earth). A Brief History of Seventh-day Adventists by George R. Knight. From the denomination's founding to the present, the author takes you step by step through the development of the Church The Seventh-day Adventist Church had its roots in the Millerite movement of the 1830s to the 1840s, during the period…