The Central Syria campaign takes place: Pro-Syrian government, Iranian and Russian forces launch the campaign to capture 11000 sqkm of ISIL-occupied territory in central Syria (southern Raqqa Governorate, eastern and northern Homs Governorate, eastern Hama Governorate, northwestern and southwestern Deir ez-Zor Governorate); by 9 September, the combined force ended the Siege of Deir ez-Zor.