Complex sentence: Alfred Butler, the invasion of Egypt, page 216 The Egyptians refused, the city of Bilbeis fell after a siege that lasted for a month, and towards the end of March 640 the city surrendered to the Muslims.
Split into simpler sentences: Alfred Butler, the invasion of Egypt, page 216 When the Egyptians refused, the siege of Bilbeis was continued until the city fell after a month. Towards the end of March 640 the city surrendered to the Muslims.