Editors. "A Protestant Union of German princes is formed at Anhausen". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15652, accessed 21 May 2013.]
German Protestant princes form a Union at Anhausen in opposition to the Catholic bloc. This league is led by Christian of Anhalt and Frederick IV of the Palatinate.