Complex sentence: At the time of its founding, the brigade roster included 1,803 men, and was assigned to cover the area of the former municipality of Vukovar, which included the cities of Vukovar and Ilok as well as numerous surrounding villages.
Split into simpler sentences: At the time of its founding, the brigade roster included 1,803 men. It was assigned to cover the area of the former municipality of Vukovar, which included the cities of Vukovar and Ilok as well as numerous surrounding villages.