837

Year 837 (DCCCXXXVII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.

Events

By place

Byzantine Empire

• Byzantine–Arab War: Emperor Theophilos leads a massive Byzantine expeditionary force into Mesopotamia. He sacks the cities Arsamosata and Sozopetra—which some sources claim as the birthplace of Abbasid caliph Al-Mu'tasim—and forces Melitene to pay tribute.^[1]
• The
  evacuation of some Byzantine captives, who are settled in trans-Danubian Bulgaria
  .

• Presian Inscription).^[2]
• The city of Naples (modern Italy) is attacked by Saracens from Egypt demanding an annual payment (approximate date).

Britain

• King Drest IX dies after a 3-year reign. He is succeeded by his cousin Eóganan, as ruler of the Picts.

By topic

Astronomy

• 5 million km from Earth
  , its closest ever approach.

• caliph (d. 862
  )
• margrave of Flanders
  (approximate date)
• Ibn Duraid, Muslim poet and philologist (d. 933)
• Ibn Khuzaymah, Muslim hadith and scholar (d. 923
  )

• Antony I, patriarch of Constantinople
• Drest IX, king of the Picts
• Eadwulf, bishop of Lindsey
• Giovanni I, doge of Venice
• Hugh of Tours, Frankish nobleman
• Li Zaiyi, general of the Tang Dynasty (b. 788)
• Maxentius, patriarch of Aquileia
• Oliba I, Frankish nobleman
• Peter of Atroa, Byzantine abbot (b. 773)

References