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Events on Wednesday 27 August 1388 1
1388Battle of BilećaA Bosnian force hands the Ottomans an early defeat in the BalkansA Bosnian army under Vlatko Vuković ambushed and routed an Ottoman raiding force near Bileća. The battle was one of the first significant Christian victories over Ottoman forces in the Balkans, though it did little to slow the Ottoman advance in the following decades.