Salam Yes insha allah if Allah permits your wish.
Once you go to paradise and bask in its pleasures and delights you'll forget this world and abandon this idea of yours. In a nutshell, you are not going to care about this alternate timeline thing when you are surrounded by that which Allah has blessed you with.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.