1029 deaths

'''' (; c. 953 – c. 1029) was a 10th-century Persian mathematician and engineer who flourished at Baghdad. He was born in Karaj, a city near Tehran. His three principal surviving works are mathematical: Al-Badi' fi'l-hisab (Wonderful on calculation), Al-Fakhri fi'l-jabr wa'l-muqabala (Glorious on algebra), and Al-Kafi fi'l-hisab (Sufficient on calculation'').

Castillian noble

Persian mathematician, geographer, and astronomer (971–1029)

queen of Goryeo, third wife of King Gyeongjong, mother of Mokjong of Goryeo (of the Hwangju Hwangbo clan)

Emir of Aleppo

Moorish scholar

Roman Catholic bishop

margrave of Ename, count of Verdun

Japanese statesman, courtier and politician

king of Sri Lanka

Unwan (or Unwin) (died 27 January 1029 in Bremen) was the Archbishop of Hamburg-Bremen from 1013 until his death.