Operation Rana Gosa, (battle cry in Sinhala) was an operation fought during the Sri Lankan Civil War as part of Eelam War III launched on 4 March 1999. The Operation resulted in the Sri Lankan Army re-capturing of 535 square kilometres of territory previously occupied by the LTTE.
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Text from the Wikipedia article “Operation Rana Gosa”, available under CC BY-SA 4.0.