Editors. "Francis I negotiates with Suleiman I, Sultan of Turkey". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14650, accessed 23 May 2013.]
Francis I of France renews his alliance with the Ottoman Sultan Suleiman I. He also subsequently makes a treaty with the Duke of Cleves, claimant to the duchy Guelders.