831
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Heads of State
Year of the Metal Pig辛亥( at the beginning of the year metal dog庚戌)
Era of Diocletian: 547/548 ( year November )
Syria: 1142/43 ( the year in October )
Events
Politics and World Affairs
- Saracens conquer Palermo by the Byzantines and make it the capital of the Emirate of Sicily.
- Driving cheeks, vial, Ladir, Marmorera, Pitasch, Schongau, Sufers and Tiefencastel are first mentioned.
Religion
- The Archdiocese of Hamburg was founded by Archbishop Ansgar.
- In Hamburg, a church is built, the predecessor of the St. Mary's Cathedral.