Treaty of Verdun
Charlemagne's grandsons sketch future France and Germany
Charlemagne's grandsons divided his empire into three: West Francia, East Francia and Lothair's Middle Francia. The partition foreshadowed the later borders of France and Germany.
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Meanwhile around the world (±25 years)
Eastern Europe & Russia
- c. 862 Calling of the Varangians — 19 years later
Africa
- 859 Fatima al-Fihri founds al-Qarawiyyin — 16 years later
Asia
- 868 The Diamond Sutra is printed — 25 years later
Alive at the time
- Al-Khwarizmi (aged 63)
- Charles the Bald (aged 20)
- Rurik (aged 13)