February 12 – (18 Dhu-I-qa'da 413 AH) In Spain Al-Ma'mun al-Qāsim ibn Ḥammud returns to
Cordoba to become the new Emir, after the Emir Yaḥya ibn ʿAli ibn Ḥammud al-Muʿtali bi-llāh leaves the city and moves to
Malaga. Al-Qasim reigns for 10 months before being forced out by
Abd al-Rahman V.[4]
April 10 – Al-Hasan ibn Muhammad ibn Thu'ban becomes the new
Emir of Halab (in what is now northern Syria) after Safiyy al-Dawla is dismissed by the Caliph
al-Hakim.[8]
June 15 – (17th day before the kalends of July) The body of the late
Ælfheah of Canterbury, the former
Archbishop of Canterbury who will later be canonized as a Roman Catholic saint and a martyr of the church, is reburied at Canterbury Cathedral on orders of England's
King Canute, after being moved from St. Paul's Cathedral in London on June 12 (the 3rd day before the ides of June). King Canute, whose Danish troops had murdered Archbishop Ælfheah on April 19, 1012, during Canute's invasion of England, has ordered the reburial as an atonement for Ælfheah's death.[10][11]
April/May (Jian 3, 4th month) – An epidemic in
Kyoto (Japan) is so severe that there are corpses in the streets;[citation needed] disease spreads throughout the country.
60th birthday and longevity ceremony of Japanese matriarch Minamoto no Rinshi, wife of
Fujiwara no Michinaga.