Whether or not you're even religious, you've probably heard of the song Amazing Grace. It's one of those Christian hymns that just about everyone has heard, or at least heard of, at some point. It was first published in 1779 by John Newton.

While you may think the named after John's song is about John's life, it's not. Instead it's about a man who was perhaps the first to be influenced by John's moving life story and the song. It's about a man who was perhaps the single most influential man in the abolishment of slavery in Britain. Let's learn the true story behind the movie Amazing Grace.

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