673. First council of the Anglo-Saxon Church, at Hereford.
Year after year the Saracens repeat their attacks on Constantinople; Callinicus invents the Greek fire used successfully in its defence.
Thierry III and Ebroin leave their monastery and resume the government of Neustria.
Birth of the Venerable Bede.[81]
674. Revolts of the Gascons and Duke Paulus repressed by Wamba, King of the Visigoths in Spain.
The Bavarians, Thuringians, and other German subjects of Austrasia regain their independence.
677. Siege of Constantinople raised by the Mahometans; peace concluded.[82]
Domnus restores the authority of Rome over the Church at Ravenna.
678. Bulgarians establish themselves in the north of Thrace. Egfrid expels Wilfrid from York and divides his diocese; Wilfrid goes to Rome and obtains from Pope Agatho an order for his restoration. Egfrid resists the papal interference. A large comet visible for three months.
679. A council held at Rome for the reunion of the Greek and Latin churches.