662-663 Great invasion of Asia Minor. Death of Amru.

668 Mohammedans advance to Chalcedon and hold Amorium for a short time.

669 Great invasion of Sicily.

670 Foundation of Kairwan.

673-677 The Mohammedans besiege Constantinople, and are finally driven off by means of Greek fire.

676 Yazid, son of Moawiyah, is appointed heir-apparent. Hereditary nomination becomes a precedent.

678 Thirty years’ peace made with Constantine IV of Constantinople.

680 Death of Moawiyah. Yazid I succeeds. The Ali faction refuse recognition. Hosein, son of Ali, and his company slain.

681 Abdallah ben Zobair proclaims himself caliph.

683 Rebellion and sack of Medina. The cause of Ibn Zobair grows. He maintains a rival court at Mecca, and rebuilds the Kaaba.