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|1012 by topic|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Ab urbe condita||1765|
|Balinese saka calendar||933–934|
|English Regnal year||N/A|
|Chinese calendar||辛亥年 (Metal Pig)|
3708 or 3648
— to —
壬子年 (Water Rat)
3709 or 3649
|- Vikram Samvat||1068–1069|
|- Shaka Samvat||933–934|
|- Kali Yuga||4112–4113|
|Japanese calendar||Kankō 9 / Chōwa 1|
|Minguo calendar||900 before ROC|
|Seleucid era||1323/1324 AG|
|Thai solar calendar||1554–1555|
1138 or 757 or −15
— to —
1139 or 758 or −14
Fujiwara no Yorimichi (second son of Fujiwara no Michinaga) marry the daughter of Fujiwara no Kinto - Kinto and Michinaga were enemies before but eventually Kinto support Michinaga
Son of Michinaga, Fujiwara no Akinobu cause a big scandal by becoming a priest without telling his parents - Firstly, Michinaga is not happy about this but later both parents accept his decision
February: Fujiwara no Kenshi is elevated to Empress (Chugu) - The first wife, Fujiwara no Seishi is also elevated to Empress (Kogo), but the court officials attend on the ceremony of Kenshi because of her powerful father, Michinaga
12 August: Death of Oe no Masahira - He was the husband of Lady Akazome Emon, the former senior lady-in-waiting of the palace and famous poet - after his death, Emon write a lot of poem about her mourn
- April 12 – Oldřich, Duke of Bohemia, deposes his brother Jaromír who flees to Poland. Oldřich recognises the suzerainty of King Henry II of Germany over Bohemia. He secures his rule by suppressing the Vršovci insurgents.
- April – King Æthelred II "the Unready" resumes the payment of Danegeld (48,000 pounds of silver) in an attempt to buy off Viking raiders.
- Máel Mórda mac Murchada starts a rebellion against High King Brian Boru in Ireland, which ends in 1014 at the Battle of Clontarf.
- Summer – The climax of the Bedouin anti-Fatimid rebellion in Palestine is reached. Abu'l-Futuh al-Hasan ibn Ja'far is acclaimed as anti-Caliph with the title of al-Rashid bi-llah ("Righteous with God").
- The Tepanec tribe settles on the western region of Lake Texcoco. The lineage starts when the Chichimeca chieftain Acolhua marries Cuetlaxochitzin, daughter of Xolotl, another Chichimeca chieftain.
- April 19 – Ælfheah, archbishop of Canterbury, is murdered by his Danish captors at Greenwich (after refusing to pay a ransom of 3,000 pounds for his release).
- May 12 – Pope Sergius IV dies after a 3-year pontificate at Rome. He is succeeded by Benedict VIII as the 143rd pope of the Catholic Church.
- Approximate date – Camaldolese order established by Romuald in Tuscany.
- August 19 – Baldwin V, count of Flanders (d. 1067)
- Benedict IX, pope of the Catholic Church (approximate date)
- Cai Xiang, Chinese calligrapher, official and poet (d. 1067)
- Durandus of Troarn, French theologian (approximate date)
- García Sánchez III, king of Pamplona (approximate date)
- Guo, Chinese empress of the Song Dynasty (d. 1035)
- Maria Dobroniega of Kiev, duchess of Poland (d. 1087)
- Marpa Lotsawa, Tibetan Buddhist teacher (d. 1097)
- Rongzom Mahapandita, Tibetan Buddhist scholar (d. 1088)
- Theobald III of Blois, French nobleman (d. 1089)
- April 1 – Herman III, duke of Swabia
- April 19 – Ælfheah, archbishop of Canterbury
- May 12 – Sergius IV, pope of the Catholic Church (b. 970)
- May 26 – Erluin II, monk and abbot of Gembloux
- June 9
- August 12 – Walthard, archbishop of Magdeburg
- September 12 – Ad-Da'i Yusuf, Zaidi imam and ruler
- October 18 – Coloman of Stockerau, Irish pilgrim
- December 22 – Baha' al-Dawla, Buyid emir of Iraq
- Erluin, archdeacon and bishop of Cambrai
- Gaston II Centule, viscount of Béarn
- Gundemaro Pinióliz, Spanish nobleman
- Guy of Anderlecht (or Guido), Christian saint
- Ibn Faradi, Moorish scholar and historian (b. 962)
- John II Crescentius, consul and patrician of Rome
- John Morosini (the Blessed), Venetian abbot
- Otto, duke of Lower Lorraine (approximate date)
- Qabus, Ziyarid emir of Gorgan and Tabaristan
- Roger I, count of Carcassonne (approximate date)
- Tedald of Canossa, Italian nobleman