Editors. "Lisbon is occupied by supporters of Dom Pedro and Queen Maria". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17991, accessed 20 April 2014.]
The forces of Dom Miguel evacuate Lisbon, having taking control there in 1828, and the city is occupied by supporters of Dom Pedro and his daughter Queen Maria, who returns on 22nd September.