Editors. "Charles V attempts to lay siege to Metz". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14842, accessed 19 May 2013.]
Henry II took over the border city of Metz in April, and the French have since fortified it against attack, but now Emperor Charles V lays siege to the city, aided by troops of Albrecht Alcibiades, Margrave of Brandenburg-Culmbach.