Complex sentence: In the year 1296, Zafar Khan together with Ulugh Khan manage to halt the advance an invading Mongol defeated their army near the city of Jalandhar which bypassing Lahore.
Split into simpler sentences: In the year 1296, Zafar Khan together with Ulugh Khan managed to halt the advance of invading Mongols. Khan's army defeated the Mongol army near the city of Jalandhar, bypassing Lahore.