On 1st July 1690 (12 July NS) King William of Orange, William III of England, defeated the insurgent French and Irish armies of the Catholic James II at the Boyne river in south-east Ireland. For context, see Jacobitism.
Editors. "Battle of the Boyne". The Literary Encyclopedia. First published 12 December 2007
[http://www.litencyc.com/php/stopics.php?rec=true&UID=106, accessed 21 April 2014.]