Henry II of France, who has been pursuing an aggressive campaign
along the German border, retreats to Verdun after being threatened
by Mary of Hungary, Regent of the Netherlands, and Count Mansfeld.
Citation:
Editors. "Henry II returns to Verdun at threats from Mary of Hungary".
The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14837, accessed 20 May 2013.]