Complex sentence: In September 1943, Bursać's leg was seriously injured when she threw hand grenades in an attack on the German base at Prkosi in northwestern Bosnia; when she was transported to a field hospital at Vidovo Selo, she sang Partisan songs.
Split into simpler sentences: In September 1943, Bursać's leg was seriously injured when she threw hand grenades in an attack on the German base at Prkosi in northwestern Bosnia. When she was transported to a field hospital at Vidovo Selo, she sang Partisan songs.