In the course of the ongoing civil war in England, Scotland and Ireland, the Scottish Covenanters, who have made an alliance with the English Parliamentarians, march south into England in their support.
Editors. "Scots invade England". The Literary Encyclopedia. First published 01 February 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=2268, accessed 19 May 2013.]