The Spanish finally regain control of the Italian city of Siena,
which has been in open revolt since 1552. However, an outbreak of
famine forces it to surrender. Philip II subsequently sells the
city to Cosimo de' Medici, ruler of Florence.
Citation:
Editors. "Siena surrenders to Spain after a famine".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14916, accessed 18 June 2013.]