Kaiser Wilhelm II's withered left arm is responsible for the World Wars, Hitler and the Holocaust.
Any TL that has Willy being born with a perfect pair of limbs has him turn into a Diplomatic-Political-Military genius who decisively wins the Weltkrieg and single-handedly turns Germany into the Bestest Reich Evar, eternal master of Europe and the world's first hyperpower. Oh, and everyone ITTL is somehow chill with all of that.
Any TL that has Willy being born with a perfect pair of limbs has him turn into a Diplomatic-Political-Military genius who decisively wins the Weltkrieg and single-handedly turns Germany into the Bestest Reich Evar, eternal master of Europe and the world's first hyperpower. Oh, and everyone ITTL is somehow chill with all of that.