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The Second Battle of Tikrit was an Iraqi military offensive to capture the city of Tikrit, capital of Salah ad Din Governorate, from the Islamic State of Iraq and the Levant (ISIL). It was the second major military operation against the city, after the first Battle of Tikrit in 2014, which was a failure. The second operation began in March 2015, and the city was captured on June 16, 2015.