TravelWittenberg: In the footsteps of Martin Luther07:49This browser does not support the video element.Travel05/19/2017May 19, 2017In 1517, Martin Luther started the Reformation by allegedly nailing his 95 theses to a church door in Wittenberg. Various sites in the city recall these exciting events. Check-in presenter Nicole Frölich explores them for us. Copy linkAdvertisement