Hmm... don't mean to derail or spur a heated debate here, but I don't suppose you've come across a book series called Conversations With God by Neale Donald Walsch before? It was actually authored recently (the 1990s) and expands upon many of the ideas you've posited.
Of course, much of what's...
'Charles Dickinson Kills Andrew Jackson In Their Duel Instead'.
See here for context. Even IOTL, Dickinson still shot Jackson in the chest before he could retaliate, so not hard to imagine some ATL where Jackson actually does die from his wounds.