At first tyrant of Gela, then of Syracuse, Gelon made Sicily a major military power of Greece, at least for the time of his reign, which was marked by long periods of peace and an increasing prosperity.
Citation:
Bouchard, Elsa. "Tyranny of Gelon in Sicily".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11183, accessed 21 May 2013.]