Perkin Warbeck is executed. Although most probably Flemish in origin, Warbeck claimed to be Richard of Shrewsbury, 1st Duke of York, the younger son of Edward IV, who was imprisoned in the Tower along with his brother Edward V under the kingship of Richard III.
Editors. "Perkin Warbeck executed". The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14877, accessed 27 May 2015.]