Charles Spurgeon, the famous pastor in London was converted on January 6, 1850, when he was fifteen years old. He gives his testimony in his Autobiography.

I sometimes think I might have been in darkness and despair until now had it not been for the goodness of God in sending a snowstorm, one Sunday morning, while I was going to a certain place of worship. When I could go no further, I turned down a side street, and came to a little Primitive Methodist Chapel. In that chapel there may have been a dozen or fifteen people. I had heard of the Primitive Methodists, how they sang so loudly that they made people’s heads ache; but that did not matter to me. I wanted to know how I might be saved, and if they could tell me that, I did not care how much they made my head ache. The minister did not come that morning; he was snowed up, I suppose. At last, a very thin-looking man,* a shoemaker, of tailor, or something of that sort, went up into the pulpit to preach. Now, it is well that preachers should be instructed; but this man was really stupid. He was obliged to stick to his text, for the simple reason that he had little else to say. The text was,—