Editors. "New liberal Constitution granted in Hanover by William IV". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17994, accessed 22 May 2013.]
William IV of Britain grants a new liberal Constitution in Hanover. However, after his death without male heirs in 1837, and the accession of Queen Victoria, the crown of Hanover passes to his brother Ernest Augustus, who revokes the constitutional agreement.