Year 826 (DCCCXXVI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar, the 826th year of the Common Era (CE) and Anno Domini (AD) designations, the 826th year of the 1st millennium, the 26th year of the 9th century, and the 7th year of the 820s decade. Events By place Britain King Beornwulf of Mercia invades East Anglia, but is killed in battle. He is succeeded by Ludeca, as ruler of Mercia. Prince Aethelwulf, a son of King Egbert of Wessex, invades Kent, and drives out its pro-Mercian king Baldred. Byzantine Empire May – Euphemius, Byzantine admiral, organises an uprising in Sicily against Emperor Michael II. He proclaims himself Emperor (with the title of basileus) in Syracuse, independent from Constantinople. In turn, Euphemius is defeated by Byzantine troops (reinforcements from the East), and is driven out to North Africa. Europe King Harald Klak of Denmark receives the Frisian county of Rüstringen, as a gift from Emperor Louis the Pious. By topic Religion Harald Klak accepts Christianity, and is baptized with his wife and son Godfrid at Mainz. Births January 22 – Montuku, emperor of Japan (d. 858) November 29 – William of Septimania, Frankish nobleman (d. 850) Al-Mubarrad, Muslim grammarian (d. 898) Ansgarde of Burgundy, Frankish queen (approximate date) Cyril, Byzantine missionary and bishop (d. 885) Doseon, Korean Buddhist monk (d. 898) Thābit ibn Qurra, Muslim astronomer and physician (d. 901) Deaths Ashot I, prince of Iberia (or 830) Ashot Msaker, prince of Armenia Bai Xingjian, Chinese poet and writer (b. 776) Beornwulf, king of Mercia Fujiwara no Fuyutsugu, Japanese general (b. 775) Heondeok, king of Silla (Korea) Li Guangyan, Chinese general (b. 761) Li Wu, prince of the Tang Dynasty Theodore the Studite, Byzantine abbot (b. 759) Wu Yantong, Chinese Buddhist monk Zhu Kerong, Chinese governor (jiedushi) References