One of the most common objections to Dispensationalism offered by Preterists and Covenant theologians is that, according to them, it was an invention based on a 'vision' ascribed to a young Scottish girl named Margaret MacDonald. As they tell it, in 1830, she had a vision about the end of the world and when she came out from under her trance, she wrote it down. This account attracted the attention of Edward Irving and his church later claimed Margaret as one of their own prophetesses. Irving also had an interest in prophecy and held prophetic conferences. The historian of Irving's...