About the year 1830 there appeared, in one of the States of the American Union bordering on Kentucky, an impostor who declared that he was the Son of God, the Saviour of mankind, and that he had reappeared on earth to recall the impious, the unbelieving, and sinners to their duty. He protested that if they did not mend their ways within a certain time, he would give the signal, and in a moment the world would crumble to ruins.