Wouldn’t change anything, he only joined an already existing movement and became its leader, but without him it’d simply have been someone else.
Start at the peace treaties after ww1, already make them similar to the ones after ww2 (promoting strong European collaboration to ensure peace instead of punishing the losers).
The Fuhrer shot himself, if I recall. Not that I wouldn’t go back in time to shoot him again.
Shoot him earlier, before he killed all those people.
Wouldn’t change anything, he only joined an already existing movement and became its leader, but without him it’d simply have been someone else.
Start at the peace treaties after ww1, already make them similar to the ones after ww2 (promoting strong European collaboration to ensure peace instead of punishing the losers).
Shoot the next one too