On the same night that Plymouth Brethren member Margaret MacDonald gave her "vision" that John Nelson Darby based his rapture doctrine on, Margaret MacDonald also claimed that Robert Owen was the antichrist.
For those of you not familiar with Robert Owen, he was a social reformer, and the founder of Utopian Socialism.
Robert Owen (1771-1858)
Robert Owen has the dubious honor of being the first antichrist in the many antichrists claimed by Dispensationalists since John Nelson Darby invented Dispensationalism.