The fourth of a projected six volumes of Dr Warren H Carroll s fully documented history of Christendom is primarily concerned with the split in Christendom created by the Protestant revolt of Martin Luther and his followers and consequently is entitled The Cleaving of Christendom It covers in detail the years between the emergence of Luther as a major figure and the beginning of the personal reign of Louis XIV in France in 1661 with separate discussions of the missionary efforts and accomplishments of the Church in America and the Orient during these years It explores in depth how the great division of Christendom came about