Henry IV of France was known as Henry of Navarre until the death of
Henry III on 2nd August, who on his deathbed declared Navarre to be
his heir. He now makes Tours, in central France, his headquarters
in his struggle against the Catholic League.
Citation:
Editors. "Henry IV (of Navarre) establishes his headquarters at Tours".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15393, accessed 19 June 2013.]