If Charles de Viana doesn't die in 1461 would that mean the Aragonese Civil War would end sooner? It seemed like it dragged out as the people still hated John II, but that the anti-John II forces lost their unity and the upper hand they had with Charles. Also would France be still likely to intervene on behalf of John or would this foreign intrusion sink John's standing even faster. Also what would the knock on effects in Castile be?
Would Isabella marry Charles de Viana?
Would Isabella marry Charles de Viana?