That's why I said research it.
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" Contrary to popular belief, the theory of the rapture began in the early 1830’s. It was invented by Margaret MacDonald of Scotland and promoted by Edward Irving. Margaret claimed to have had visions of the second and third coming of Christ. Irving, a Presbyterian preacher, promoted the idea that there was to be a restoration of spiritual gifts before Christ’s return. It was at that time, the 1830’s and 1840’s, when he expected Christ’s return to take place. The date for Christ’s return was set at 1844. The year came and Christ did not return. Nevertheless, many continued to follow the leadership of Irving. He emphasized the tongues gift. This was not the genuine tongues of the Acts of the Apostles, but the phony tongues of speaking gibberish and claiming it to be a gift from God. The Presbyterian Church kicked him out as his movement began to slide into high gear.

Irving was an eloquent and charismatic speaker, and therefore was able to influence large groups of people. Emotion was emphasized. The main group that continued his teachings was the Catholic Apostolic Church, of which Margaret MacDonald was a member. However, it eventually became the beginnings of modern day Pentecostal religion."