February 20 Swiss and German mercenaries desert Francois I's army February 24 Battle at Pavia: Emperor Karel V's troops beat French king February 24 Imperial forces defeat French in battle of Pavia March 20 Paris' parliament begins pursuit of Protestants May 10 Church reformer John Pistorius caught in the Hague May 12 Battle at Boblingen: Zwabische Union beats rebel Wurttembergse farmers May 15 German boer army surrounded/slaughters 5,000; ends Boer war May 17 Battle at Zabern: duke of Lutherans beats rebels June 9 Tax revolt in Hertogenbosch July 11 Trial against "heretic" John Pistorius at The Hague July 19 Catholic German monarchy form Union of Dessau September 7 Trial against "heretic" John Pistorius ends in the Hague