Battle of Ongal
Khan Asparukh beats Byzantium and founds Bulgaria on the Danube

In the summer of 680 Khan Asparukh's Bulgars routed the army of Emperor Constantine IV in the Danube delta. By the peace of 681 Byzantium recognised the new state south of the Danube and agreed to pay it tribute: the First Bulgarian Empire was born.
Wikipedia (Russian) · Wikipedia (English) · 7th century
Meanwhile around the world (±25 years)
Middle East
- 661 Assassination of Ali — 19 years earlier
- 680 Battle of Karbala — same year
- 691 Dome of the Rock — 11 years later
Africa
- 698 Fall of Carthage and the Arab conquest of the Maghreb — 18 years later
- c. 700 The rise of the Kanem Empire — 20 years later
Alive at the time
- Pakal the Great (aged 77)
- Wu Zetian (aged 56)