An armistice between Royalists and Parliamentarians in the English Civil War which had been agreed to allow peace negotiations at Uxbridge breaks down, and warfare begins again.
Citation:
Editors. "Uxbridge Treaty negotiations begin and then fail".
The Literary Encyclopedia. First published 01 March 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=2285, accessed 25 May 2013.]