More Ideas for Alt History Divergence Points

Justinian is discovered to be a demon who came to depopulate the Earth and defeated.
The French offer the Normans land on the Mediterranean instead of Normandy to separate them from reinforcements.
Hawaii? Sinks.
Scotland's dumb colony flourishes, allowing Scotland to purchase England.
Tron is released; is a good movie.
Japan? Sinks.
Moon landing is never attempted; U.S. uses that money to purchase England.
Aquitaine conquers Italy.
Korea is unified when its three major kingdoms agree to elevate one above the others based on whose prayers are answered first.
Australia? Sinks.
Mansa Musa travels northwest and purchases England.
Rome? Sinks. The Alba Longa empire is remembered to this day.

Fantasy Demographics

To get a good idea of how many people might live in your fantasy kingdom, simply find an estimate of the population of France in A.D. 1200 and multiply it by one thousand at least, because nobody cares what happens in tiny little underpopulated A.D. 1200 France. Go read the Mahabharata or something. Yeesh.

History Corner

Speaking of the Hundred Years' War, the English were right. That's why I refuse to recognize France to this day.