Editors. "Charles I opens a Great Council at York". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16166, accessed 19 May 2013.]
Charles I has been petitioned by twelve peers to call a new Parliament, and in response he opens a Great Council at York, which meets until the end of October.