|Covid-19|Last evidence of indigenous Christian and non-arabophone culture in Tripolitania, Libya.
Seneqerim-Hovhannes of Vaspurakan surrenders his kingdom to the Byzantine Empire.
Mahmud appoints Ayaz to the throne, making Lahore the capital of the Ghaznavid Empire.
A Khitan princess is sent to marry into the Goryeo royal family, securing ties between the Koreans and the Liao Dynasty.
The Song Dynasty Chinese capital city of Kaifeng has some half a million residents by this year; including all those present in the nine designated suburbs, the population is over a million people.
The Chola Empire invades Bengal.
The Moorish kingdom of Valencia becomes independent from the Ummayyad Caliphate of Córdoba.
Eudokia Makrembolitissa, empress of Byzantine Emperor Constantine X (d. 1096)
Wang Anshi, Chinese reformer, statesman, economist, poet (d. 1086)
Tāriqu l-Ḥakīm, Sixth Fatimid Caliph of Egypt
Adela of Hamaland, sovereign countess of Hamaland
Year 1021 (MXXI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar.
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