Rubuta ci gaba don wannan sakin layi - The Ninety-five Theses, wanda Martin Luther ya wallafa a 1517, ya haifar da Gyara a ƙasashen Jamus kuma yawancin sarakuna sun zama Furotesta. Bayan da aka murkushe Babban Fararen Farar hula, an kira taron Diet na 1530 don kwantar da tashin hankali game da Furotesta, musamman saboda tsoron ci gaban Ottoman; sojojin Sultan Suleiman I sun kusan kama gidan Habsburg Vienna
a 1529 da kuma Sarkin sarakuna Charles V so Kiristanci ya hada kai a kan mamayewa. Bayan 1521 Diet of Worms ya sanya dokar Imperial a kan Martin Luther da takardunsa, matsalolin tilastawa sun bayyana, kamar yadda Charles ya yi yaƙi da Faransa da alkawurran da ya yi a sauran daularsa ya hana shi mayar da hankali kan matsalolin addinin Jamus.