This is a timeline of major events in the Muslim world from 701 AD to 800 AD (81 BH – 184 AH). Eighth century (701–800 CE / 81–184 AH) 701: Ibn al-Ash'ath's rebellion in Iraq, battle of Dayr al-Jamajim. 703: Ja'far al-Sadiq, the sixth Imam of Shia Islam, is born. 705: Death of caliph Abd al-Malik. Accession of Al-Walid I as Umayyad Caliph. 711: Conquest of Spain by Tariq ibn Ziyad and of Transoxiana by Qutayba ibn Muslim. 712: Conquest of Sindh by Muhammad ibn Qasim 713: Ali ibn Husayn, the fourth Imam of Shia was poisoned and martyred. Muhammad al-Baqir becomes Imam. Conquest of Multan. 715: Death of Walid I. Sulayman ibn Abd al-Malik becomes Umayyad Caliph. 717: Beginning of the Second Arab siege of Constantinople. Death of Sulayman. Umar II becomes Umayyad Caliph. Pact of Umar. 718 End of the Second Arab siege of Constantinople. 720: Death of Umar II. Yazid II becomes Umayyad Caliph. 721: First Turgesh invasion into Transoxiana under Kursul. 724: Death of Yazid II. Hisham becomes Umayyad Caliph. Turgesh defeat Muslim ibn Sa'id al-Kilabi in the Day of Thirst. 725: The Muslims occupy Nîmes in France. 729: Khurasani army under Ashras ibn Abdallah al-Sulami scores a narrow victory over the Turgesh at the Battle of Baykand and recovers Bukhara. The retreating Turgesh undertake the Siege of Kamarja. 730: Khazars invade northwestern Iran and defeat the Umayyad forces at the Battle of Marj Ardabil, killing the Arab governor al-Djarrah al-Hakami and briefly occupying the town 731: Khurasani Arab army suffers horrendous casualties at the Battle of the Defile against the Turgesh. 20,000 Iraqi troops are sent to Khurasan to replenish losses. 732: The Battle of Tours in France. 734: Rebellion of al-Harith ibn Surayj erupts in Khurasan. 735: Asad ibn Abdallah al-Qasri arrives in Khurasan and suppresses al-Harith's rebellion. 737: The Muslims meet a reverse at Avignon in France. 737: Marwan ibn Muhammad (later Caliph Marwan II) poured across the Caucasus and eventually defeated a Khazar army led by Hazer Tarkhan, briefly occupying Atil itself. 737: At the Battle of Kharistan, Asad ibn Abdallah al-Qasri drives back the Turgesh invasion of Khurasan. 740: Shi'a Zaydi Revolt under Zayd ibn Ali. Berber revolt in North Africa. Battle of the Nobles. Battle of Akroinon against the Byzantines. 741: Battle of Bagdoura in North Africa. 742: The Muslim rule restored in Qairawan. 743: Muhammad al-Baqir is poisoned. Jafar