 Bolayır was also the site of the Gallipoli Campaign (1915–1916) during the World War I.The traditional Greek name of Bolayır is Πλαγιάρι ("Plagiari") and in Bulgarian the town is known as Булаир ("Bulair").A village in Dolni Chiflik Municipality, Varna Province bears the name Bulair in honour of the Bulgarian victory at Bolayır and a Bulgarian military march, the Bulair March, was written to commemorate the battle.