|Covid-19|January 13–January 18 – The Shanyuan Treaty is negotiated between the Liao Dynasty and the Song Dynasty. The Song agrees to pay an annual tribute to the Liao.
Lê Trung Tông succeeds Lê Hoàn as the emperor of Vietnam, preceding anarchy and 8 months succession war with Long Ngân and other princes.
October – Long Ngân is defeated and killed in Thạch Hà, by the hands of natives.
Lê Ngoạ Triều succeeds Lê Trung Tông, killing him after just three days of reign, and beginning tyrannical executions.
The Shūi Wakashū is compiled (earliest possible date).
March 25 – Battle of Monzievard: Malcolm II succeeds Cináed III as king of Scotland, killing him and his son Giric II of Scotland.
Brian Boru makes a second expedition to the north, to take hostages from the northern states; during this expedition, he visits Armagh, making an offering of twenty ounces of gold to the church' and confirming to the apostolic see of Saint Patrick, ecclesiastical supremacy over the whole of Ireland (as recorded in the Book of Armagh).
Danish raids continue on southern England.
Ælfric of Abingdon leaves ships to the people of Wiltshire and Kent in his will, with his best one, equipped for sixty men, going to King Æthelred II.
Aeddan ap Blegywryd, Prince of Gwynedd, succeeds Cynan ap Hywel.
Pomerania revolts against the church.
Schaffhausen starts minting its own coins.
The Republic of Pisa conducts a military offensive against the Muslim strongholds, on the coast of Calabria.
June 20 – Ali az-Zahir, Fatimid caliph (d. 1036)
Pope Clement II (d. 1047)
Bretislaus I (last possible date; d. 1055)
Lanfranc, Archbishop of Canterbury (possible date; d. 1089)
King Macbeth of Scotland (d. 1057)
Snorri Thorfinnsson, first European born in the Americas (Vineland) and later Viking chieftain (earliest possible date; d. c. 1090)
March 25 – King Kenneth III of Scotland (in battle)
Lê Hoàn, Vietnamese emperor
October – Lê Trung Tông, Vietnamese emperor
November 16 – Ælfric of Abingdon, Archbishop of Canterbury
Abe no Seimei, Japanese mystic
Sigmundur Brestisson, Faroese chieftain (murdered)
Ma Yize, Arab astronomer who worked in the Chinese Song dynasty court
Year 1005 (MV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.
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