 Complete the following phrase:  After the Peace of Augsburg in 1555, the Countess of Mansfield, Agnes von Mansfeld-Eisleben a Protestant canoness at the Abbey of Gerresheim to the east converted Gebhard Truchsess von Waldburg, the Archbishop-Elector of Cologne to Calvinism. Their marriage and his declaration of religious parity throughout his lands caused another round of religious war, the 