The French, under the command of Comte de Lally, abandon the city
of Madras, which they had been besieging since December 1758, on
the arrival of a British fleet.
Citation:
Editors. "French abandon siege of Madras when a British fleet arrives".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17738, accessed 18 May 2013.]