deep-techno wrote:
"What if Hitler won WWII?"
Depending on the assumptions it was almost impossible, or hinged on a few key events that could have gone differently. An interesting source of discussion on the contingency of history.
There are lots of alternative time-line stories around:
You might like Harry Turtledoves "worldwar" series:
What if, in the middle ow WW2, lizards from outer space turned up to invade...
(two series of 4 volumes now. Fun SF, with some interesting historical and political points)