Editors. "Convention of Gramido ends war in Portugal". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18117, accessed 17 April 2014.]
The civil war in Portugal between the Cartistas and the Septembrists is ended by the Convention of Gramido, which is favourable to the victorious Cartistas.