‘ Mobs of Christian peasants turned on those Jews who would not instantly convert to Christianity. During the First Crusade these mobs terrorized and slaughtered the Jews along the crusader routes to the Middle East.” p668 My World History (Early Ages)

TOTAL LIE.  These were  not Christians, but rogue knights using a racial excuse to plunder.  The Bishops of these areas tried to protect the Jews, and the Pope of Rome condemned the actions of these knights. These knight were later killed by good knights protecting their honor.  During the later Crusades, there were no repeat incidents of the above mis-quoted actions.  (See “God’s Battalions” by Rodney Stark) There is a review in Book category. (See also: The Truth About Peter’s Crusade under uncategorized.)