|1014 by topic|
|Ab urbe condita||1767|
|Balinese saka calendar||935–936|
|English Regnal year||N/A|
|Chinese calendar||癸丑年 (Water Ox)|
3710 or 3650
— to —
甲寅年 (Wood Tiger)
3711 or 3651
|- Vikram Samvat||1070–1071|
|- Shaka Samvat||935–936|
|- Kali Yuga||4114–4115|
|Japanese calendar||Chōwa 3|
|Minguo calendar||898 before ROC|
|Seleucid era||1325/1326 AG|
|Thai solar calendar||1556–1557|
1140 or 759 or −13
— to —
1141 or 760 or −12
- Summer – Battle of Thessalonica: Emperor Basil II launches a raiding expedition against Bulgaria. From Western Thrace via Serres he reaches the valley of the Strymon River – near Thessaloniki (modern Greece) the local Byzantine governor Theophylact Botaneiates defeats the Bulgarians.
- July 29 – Battle of Kleidion: Basil II defeats the Bulgarian forces between the mountains of Belasitsa and Ograzhden near the town of Kleidon. By order of Basil almost 15,000 prisoners are blinded, Tsar Samuel survives the battle but dies of shock. Basil earns the nickname "Bulgar-Slayer".
- February 14 – King Henry II arrives at Rome and is crowned Holy Roman Emperor together with his wife Cunigunde by Pope Benedict VIII in the St. Peter's Basilica. Henry establishes the Diocese of Bobbio (Northern Italy) and returns back to Germany.
- April 23 Good Friday the Battle of Clontarf, forces of Brian Boru defeat the Norse at Clontarf and reduce their power in Ireland.
- February 3 – King Sweyn Forkbeard dies at Gainsborough after a reign of five weeks. He is succeeded by Harald II who becomes king of Denmark, while Cnut is elected by the Vikings of the Danelaw as king of England.
- March – King Æthelred II (the Unready) sends ambassadors to England, including his own son Edward to negotiate about the reclaim of the throne at the invitation of the English nobles.
- April 23 – Battle of Clontarf: Gaelic Irish forces under High King Brian Boru defeat several allied Viking forces near Dublin in Ireland. However, Brian is killed in the battle.
- Hammad ibn Buluggin adopts Sunni Islam and declares his independence from the Zirid Dynasty (modern Algeria). He recognizes the Abbasid Caliphate in Baghdad as being the rightful caliphs and becomes the first ruler of the Hammadid Dynasty (until 1028).
- The Nicene-Constantinopolitan Symbol of the Faith is used for the first time during the Roman Mass, after Henry II, the newly crowned Holy Roman Emperor, ask the Pope to add it – together with the filioque clause. Prior to this date, the Creed has not been used at all during the liturgy.
- Wulfstan, archbishop of York, preaches his Latin homily Sermo Lupi ad Anglos ("Wulf's Address to the English"), describing the Danes as "God's judgement on England".
- May 11 – Anawrahta, founder of the Pagan Empire (Burma) (d. 1077)
- Al-Bakri, Andalusian Arab historian and geographer (d. 1094)
- Cynan ab Iago, king of Gwynedd (approximate date)
- February 3 – Sweyn Forkbeard, king of Denmark and England (b. 960)
- February 9 – Yang Yanzhao, general of the Song Dynasty
- April 23
- May 7 – Bagrat III, king of Abkhazia (Georgia)
- June 25 – Æthelstan Ætheling, son of Æthelred the Unready
- October 6 – Samuel, emperor (tsar) of the Bulgarian Empire
- November 11 – Werner, margrave of the North March
- November 26 – Swanehilde, German noblewoman
- Abu'l-Abbas ibn al-Furat, Fatimid vizier (or 1015)
- Al-Hakim Nishapuri, Persian Sunni scholar (b. 933)
- Brithwine I, bishop of Sherborne (approximate date)
- Giselbert I, count of Roussillon (Spain) (or 1013)
- Lu Zhen, Chinese scholar-official and diplomat
- Pandulf II (the Old), prince of Benevento and Capua
- Raja Raja Chola I, king of the Chola Kingdom (India)
- Rotbold II, margrave of Provence (approximate date)
- Theophylact Botaneiates, Byzantine general and governor
- Wulfnoth Cild, English nobleman (approximate date)
- Needham, Mark (2008). "Æthelred (II The Unready, King of the English 978-1013, 1014-1016)". Archived from the original on November 19, 2014. Retrieved 4 January 2008.
- Palmer, Alan; Palmer, Veronica (1992). Chronology of British History. London: Century Ltd / Barrie & Jenkins. pp. 48–49. ISBN 978-0712656160.