Several Huguenot communities rejected French royal authority after the St Bartholomew's Day massacre in which some twenty thousand French Protestants were killed.
Citation:
Editors. "Fourth civil war in the French Wars of Religion".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=10160, accessed 18 June 2013.]