825 deaths

Persian Arab grammarian and linguist (728–825)

Iraqi poet

Frankish noble

Saxon saint

Acharya Virasena (750–825CE), also spelt as Veerasena, was a Jain monk and belonged to the lineage of Acharya Kundakunda. He was an Indian mathematician and Jain philosopher and scholar of Digambar sect. He was also known as a famous orator and an accomplished poet. He is renowned for his work on the monumental Jain commentary series on the Shatkhandagama, known as the Dhavala texts. The late Dr. Hiralal Jain places the completion of this treatise in 816. He played a critical role in the development of Digambara scholasticism and is considered one of the greatest Jain scholars of early medieva

Wihomarc or '''Wiomarc'h''' (; died 825) was a Breton chieftain "who seemed to have greater authority than the other Breton leaders" and who revolted against Frankish overlordship in 822 and held on to his power until his death. His rebellion may have been incited by the creation of a Frankish county in Poutrocoet sometime between 818 and 820.

Irish king

ruler of the Bavand dynasty from 817 to 825