sentences:  A Thracian settlement of the 3rd–4th century BC has been found on the north bank of the Beli Lom river, and an early Roman settlement extended it in the late 1st or early 2nd century AD.At the end of the 1st century AD a Roman military camp was built, and in the 2nd century the Cohors II Lucensium of the Legio XI Claudia (based at Durostorum) was stationed here.In 251 during the Gothic invasions the Romans suffered a disastrous defeat and the death of the Emperor Decius and his son Herennius Etruscus at the Battle of Abritus, which took place about northwest of Abritus, in the valley of the river Beli Lom, to the south of the village of Dryanovets.