Many Jewish people died in the Crusades. The major difference here is the original inhabitants of Jerusalem was the Jewish people. I don't have a problem with sharing if it really led to peace and if it is just a disguise to eventually take all of Israel, then the Palestinians can live with their brothers in refugee camps. There brothers and sisters treat them like dirt.
Saudi-led coalition air strike kills around 30 Yemeni civilians (Reuters)
from the article: Abbas: Palestinians will accept only Jerusalem as our capital