Which just about sums up how daft these ideas of changing history are............we are what we are, not what we could have been..............If all the Yanks have to go home Ireland is going to become very crowded.
The same principle could equally be applied to dozens of countries all over the world. The UK will have to be given back to the Celts, who may then have to return it to Mesolithic man if they can track down his descendants.
I'm of half Saxon descent on my mother's side, and half Norse on my father's. Will I have to alternate between Germany and Norway? And how will this work after Brexit?