On what date did XXX end?
Third Anglo-Afghan War
The Third Anglo-Afghan War (Pashto: د افغان-انګرېز درېمه جګړه), also referred to as the Third Afghan War, began on 6 May 1919 and ended with an armistice on 8 August 1919, and ended in an Afghan victory according to some authors.
8 August 1919