Things would be far cooler.
What if Franz Ferdinand was never assassinated?
World War 1 would have been triggered by some other event - international tensions were high at the time. He would probably still be dead by now.
What if Franz Ferdinand never died?
He would probably go on to rule Austria-Hungary and probably come to some sort of agreement with the serbs to end (or at least remidy) Balkan conflict. Then he'll probably do something dumb and get de-throned.
What if the avarage human life-span was tripled?
World Population would triple (or more) in 120 years :P if without big wars.
What if HitlerSucks was called DanielSucks?
That's right. He does. (I'M NOT CALLED DANIEL GOD DAMMIT, I'M DAN)
What if people stop confusing names?
The world would be a slightly crappier place.
What if all humour ceased to exist?
We would be robots and you would be a robot programed to eat chocolate.
What if magnets were added to TPT?