Events relating to religion

At Dunhuang, an oasis on the Silk Road, as many as 500 caves are decorated with Buddhist murals

The Book of Durrow, one of the earliest of the great Celtic manuscripts, is written and illuminated in Ireland

Under the caliph Othman, the revelations made to Muhammad are collected in their definitive form as the Qur'an

Jews and Christians, sharing with Muslims the status of 'people of the book', are promised religious tolerance in the Qur'an

Songtsen Gampo builds temples in Lhasa for his two Buddhist wives, thus introducing the religion to Tibet

Othman is assassinated, and Ali wins power as the fourth Muslim caliph - defeating Muhammad's widow Aisha at the 'battle of the camel' near Basra

Ali is assassinated and Mu'awiya becomes the fifth Muslim caliph, establishing the Umayyad dynasty

The king of Northumbria summons a synod at Whitby to hear the arguments of Roman and Celtic Christians, then opts for Rome

The Arabs establish a garrison town at Kairouan, as a base for the conquest of northwest Africa

With the entire middle east under their control, the Arabs make Damascus the capital of the Umayyad caliphate

Husayn, the son of Ali, dies at Karbala in a battle against rival Muslims and becomes the most holy of Shi'ite martyrs

The Dome of the Rock is completed as a Muslim shrine on the Temple Mount in Jerusalem

Willibrord, recently arrived from England to convert the Frisians, is consecrated archbishop of a new see in Utrecht

Shortage of manpower in the Muslim armies causes a change of policy, with non-Arabs now allowed to convert to Islam

Turkish tribes, northern neighbours of the Muslims in central Asia, begin to adopt Islam as their religion

The emperor Leo III launches the iconoclastic controversy, sending soldiers to smash the great image of Christ over the gateway to his palace

The Muslim advance into France is halted when Charles Martel defeats the Arabs between Poitiers and Tours

Boniface, working as a missionary among pagan Germans, makes his headquarters at Mainz

Karaism, relying on scripture rather than rabbinical commentary, develops among the Jewish community in Babylon

T'ang potters make vigorous and brightly coloured figures, of horses, camels or human attendants, to accompany the dead in the grave

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