The Protestant League or Torgau is formed under Elector John of Saxony, Philip, Landgrave of Hesse, the princes of Brunswick-Luneburg, Anhalt and Mecklenberg and the city of Magdeburg. Martin Luther was present in the town and drafted the constitution of the League.
Editors. "League of Torgau: a union of Protestant states in the German Empire". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=9970, accessed 03 May 2016.]