What would the medieval world have looked like if the French Normans had decided to pursue their interests in mainland France instead of crossing the Channel? This could either be accomplished by weakening the French monarchy and expanding to their expense or taking the French crown for themselves, thus ending the Capetian dynasty early.
Either way if a powerful Norman state had solidified itself in France to the detriment of the Capetian dynasty, while England remained Germanic (by Anglo-Saxon or Northerner influence), it's very likely Western European history would've been completely different.
Either way if a powerful Norman state had solidified itself in France to the detriment of the Capetian dynasty, while England remained Germanic (by Anglo-Saxon or Northerner influence), it's very likely Western European history would've been completely different.