Margaret Countess of Salisbury, daughter of the Duke of Clarence
and thus a potential claimant to the English throne, is executed on
a charge of conspiracy for corresponding with her exiled son,
Cardinal Reginald Pole.
Citation:
Editors. "Margaret Countess of Salisbury is executed for conspiracy".
The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14649, accessed 18 May 2013.]