Further war breaks out between Francis I of France and the Emperor Charles V (-1544), in retaliation to the Emperor's investiture of his son Philip with Milan (in Oct. 1540), with campaigns in Rousillon, Piedmont and the Netherlands.
Editors. "Francis I fights against Charles V in alliance with Henry VIII". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=10039, accessed 10 December 2013.]