825

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Heads of State

Year of the Wood Snake乙巳( at the beginning of the year, Wood Dragon甲辰)

Era of Diocletian: 541/542 ( year November )

Syria: 1136/37 ( year October )

Events

Politics and World Affairs

• September: In the Battle of Ellandun Egbert of Wessex adds to the army of Beornwulf of Mercia to a crushing defeat. Then the Kingdom of East Anglia rises against the rule of Mercia.

• Cumbel and Füllinsdorf be mentioned for the first time in a document.
• A Muslim attempt to conquer Coimbra and Viseu, fails.

Science and Culture

• The Malayalam calendar starts.
• Emperor Lothar I founds a school of rhetoric at Pavia.

• To 825 the mathematical textbook Hisab al - dschabr wa-l - muqabala (about the science of reduction and the simultaneous fuss German ), which can be considered a " birth of the classical algebra " appears.

Born

• Ariwara no Narihira, Japanese poet († 880 )
• Ludwig II, the Frankish Emperor († 875 )
• At- Tirmidhi, Islamic scholar († 892 )

Died

• Bishr ibn al -Mu ʿ tamir, Islamic theologian
• Haistulph, Archbishop of Mainz
• Ida of Herzfeld, German church founder and saint (c. 770/775 )
• As- Saiyida Nafisa, Islamic folk saints ( * 760)
• Waltger, monastery founder and Holy

• 825/826: Beornwulf, King of Mercia
• 825: Rampo, Count of Barcelona (c. 770)