Complex sentence: In 1079, Ibrahim led a campaign into India, besieging a fortress 120 "Parasang" (480 miles) from Lahore and after a prolonged siege, took the fortress on 13 August 1079.
Split into simpler sentences: In 1079, Ibrahim led a campaign into India. He besieged a fortress 120 "Parasang" (480 miles) from Lahore and after a prolonged siege, Ibrahim took the fortress on 13 August 1079.