On what date did XXX end?
First Battle of Donetsk Airport
The First Battle of Donetsk Airport was a conflict between separatist insurgents associated with the Donetsk People's Republic and Ukrainian government forces that took place at Donetsk International Airport on 26--27 May 2014, as part of the War in Donbass that began after the 2014 Ukrainian revolution.
27 May 2014