Editors. "Treaty of Madrid confirms Treaty of Badajoz". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=13516, accessed 22 May 2013.]
Treaty between France and Portugal reiterates terms of earlier treaty. One of which is to close its ports to British, cede land to Spain and parts of Brazil to France.