At the end of the 1740s, the Moravians, a young and rapidly expanding radical-Pietist movement, experienced a crisis soon labeled the Sifting Time. As Moravian leaders attempted to lead the church away from the abuses of the crisis, they also tried to erase the memory of this controversial and embarrassing period. Archival records were systematically destroyed, and official histories of the church only dealt with this period in general terms. It...