Bulgarian-Ottoman Wars
Date 7 July 1345 Location near Xanthi, Greece Result Ottoman victory
Belligerents
Bulgarian forces	Ottoman forces
Commanders and leaders
Momchil †	Uner beg
Strength
Unknown	Unknown
Casualties and losses
Unknown	Unknown

The Battle of Peritor occurred on July 7, 1345 between Bulgarian and Ottoman forces near the seat of the Bulgarian ruler Momchil, at Xanthi in modern northern Greece. The result was an Ottoman victory.

From 1341 Ottoman mercenaries hired by the pretender to the Byzantine throne, John VI Kantakouzenos, to fight against his Bulgarian-supported opponent John V Palaiologos, began to attack Bulgarian settlements in Thrace and the Eastern Rhodope mountains. After the local ruler of the Rhodope and Aegean region Momchil received help neither from the Bulgarian Emperor Ivan Alexander nor from the Byzantines he fought alone against the Muslim invaders. In 1344 he managed to burn Ottoman ships at Portogalos.

In the following year the Ottoman Turks sent a small army against Momchil under Uner beg. On 7 July near the village of Peritor in the vicinity of his capital, the Bulgarian ruler, assumed to have a larger force than the Turks, lost the battle.

After the battle, the Ottomans occupied the principal towns and castles in the area. Momchil was the first Balkan ruler who was eliminated by the invaders and the first one to see the real threat of the Turks which the other Balkan rulers realised too late.

His brave resistance entered Bulgarian epic folklore and his name became a legend.^{[citation needed]}