▁their ▁invasion ▁of ▁D uk l ja ▁( in ▁Latin ▁translation ▁by ▁Im manuel ▁Bek ker ): ▁ ▁Battle ▁ ▁The ▁battle ▁took ▁place ▁on ▁the ▁mountain ous ▁area ▁between ▁Bar ▁and ▁C rm nica ▁after ▁mid night , ▁on ▁October ▁ 7 , ▁ 1 0 4 2 . ▁Prior ▁to ▁the ▁battle ▁a ▁man ▁from ▁Bar ▁entered ▁the ▁By z antine ▁camp ▁and ▁spread ▁false ▁information ▁about ▁a ▁huge ▁army , ▁causing ▁pan ic ▁among ▁the ▁By z ant ines . ▁Stefan ▁V oj is lav , ▁along ▁with ▁three ▁of ▁his ▁sons , ▁led ▁the ▁Ser bs ▁into ▁battle . ▁Their ▁army ▁slowly ▁moved ▁down ▁the ▁hills ▁along ▁with ▁shout ing ▁and ▁blow ing ▁horn s ▁and ▁tr ump ets ▁to ▁ex agger ate ▁their ▁size . ▁The ▁By z ant ines , ▁tra pped ▁into ▁the ▁mountain ous ▁area , ▁were ▁caught ▁un prep ared ▁and ▁after ▁heavy ▁fighting ▁were ▁rout ed . ▁Some ▁historical ▁records ▁claim ▁that ▁two ▁third s ▁of ▁the ▁By z antine ▁army ▁had ▁been ▁killed . ▁By z antine ▁historian ▁John ▁Sk yl itz es ▁( 1 0 4 0 – 1 1 0 1 ) ▁claimed ▁that ▁ 6 0 , 0 0 0 ▁By z ant ines ▁participated ▁in ▁the ▁battle , ▁but ▁these ▁records ▁are ▁considered ▁in ac cur ate . ▁Most ▁histor ians ▁agree ▁that ▁there ▁were ▁about ▁ 4 0 , 0 0 0 ▁By z ant ines . ▁Ser b ▁numbers ▁are ▁unknown , ▁but ▁are ▁considered ▁to