Oscilador armónico
This page relates to the year 920 Calendrier Julien.
Events
Europe
- the king of Germanie Henri the Bird-catcher has taken again Utrecht, with the hands of the Vikings for 70 years.
- the Norman ones plunder Saint-Mélaine Rennes, and the monks flee in Touraine.
- December 17th: the father-in-law of Constantin VII, Romain Ier Lekapenos, control surface the Byzantine Empire in its place until in 944.
Births in 920
-
Abu' L-Hassan Al-Uqlidisi: mathematician
Death in 920
Map-bms: 920
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