|Covid-19|The Lý dynasty, Vietnam's first independent dynasty, is proclaimed.
The provinces of Goryeo (modern-day Korea) are redistributed.
February 14 or March 9 – The first known mention is made of the name of Lithuania, in connection with the murder of Saint Bruno of Querfurt.
August 29 – Mainz Cathedral suffers extensive damage from a fire, on the day of its inauguration.
Suleiman II succeeds Mohammed II, as Caliph of Córdoba.
The Vikings repeatedly attack England.
October 18 – The Church of the Holy Sepulchre is destroyed by Caliph al-Hakim bi-Amr Allah.
July 31 – Pope Sergius IV succeeds Pope John XVIII, as the 142nd pope.
December 14 – Emperor Go-Suzaku of Japan (d. 1045)
Empress Xiao, empress and regent of the Liao (b. 932)
Bruno of Querfurt, German missionary
June – Pope John XVIII
August – Abu Muhammad Lulu al-Kabir, Emir of Aleppo
Year 1009 (MIX) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar.
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