|Ab urbe condita||1791|
|Balinese saka calendar||959–960|
|English Regnal year||N/A|
|Chinese calendar||丁丑年 (Fire Ox)|
3734 or 3674
— to —
戊寅年 (Earth Tiger)
3735 or 3675
|- Vikram Samvat||1094–1095|
|- Shaka Samvat||959–960|
|- Kali Yuga||4138–4139|
|Japanese calendar||Chōryaku 2|
|Minguo calendar||874 before ROC|
|Seleucid era||1349/1350 AG|
|Thai solar calendar||1580–1581|
1164 or 783 or 11
— to —
1165 or 784 or 12
|Wikimedia Commons has media related to 1038.|
- Emperor Conrad II (the Elder) travels to Southern Italy and holds court in Troia. He orders Pandulf IV of Capua to restore the territories of Monte Cassino. Pandulf holes himself up in the fortress of Sant'Agata de' Goti, and dispatches tribute (300 lb of gold) and his son as hostage to Troia as a token of peace. Conrad accepts his offer, but the son escapes. Conrad goes on the offensive and seizes Capua, and gives it to Guaimar IV of Salerno.
- Duke John II drives his brother Manso II and his mother Maria out of Amalfi. He has Manso blinded and exiled to the island of Sirenuse. John reconciles with Maria, and allows her to remain as co-ruler of Amalfi.
- The Banu Tujib clan is deposed by Al-Mustain I, who starts the Huddid Dynasty, which rules over the Taifa of Zaragoza for almost a century (approximate date).
- The name of Versailles, at this time a small village, appears for the first time in a medieval charter in France.
- Duke Bretislav I of Bohemia invades Poland. He captures and destroys the cities of Gniezno and Poznań.
- August 15 – On the death of his uncle, Stephen I, Peter Orseolo becomes the second ruler of Hungary.
- March 28 – Hai Gaon, Jewish theologian (b. 939)
- April 23 – Liudolf of Brunswick, margrave of Frisia
- May 4 – Gotthard, bishop of Hildesheim (b. 960)
- May 22 – Shibl al-Dawla Nasr, Mirdasid emir of Aleppo
- July 6 – Ōnakatomi no Sukechika, Japanese poet (b. 954)
- July 18 – Gunhilda of Denmark, German queen
- August 15 – Stephen I, king of Hungary
- November 1 – Herman I, German nobleman
- December 3 – Emma of Lesum, German noblewoman
- December 20 – Beorhtheah, bishop of Worcester
- Aethelnoth, archbishop of Canterbury
- Alice of Normandy, countess of Burgundy
- Al-Tha'alibi, Persian historian (b. 961)
- Budic of Nantes, French nobleman
- Ealdred, ealdorman of Bamburgh
- Ermengol II (the Pilgrim), count of Urgell
- Farrukhi Sistani, Persian poet (or 1037)
- Felix of Rhuys, Breton Benedictine abbot
- Habbus al-Muzaffar, Zirid ruler of Granada
- Herman IV, duke of Swabia (House of Babenberg)
- Kyiso, Burmese king of the Pagan Dynasty
- Ralph III (or Raoul), French nobleman
- William VI, French nobleman (b. 1004)
- Stalls, Clay (1995). Possessing the land: Aragon's expansion into Islam's Ebro frontier under Alfonso the Battler, 1104-1134. Brill. p. viii. ISBN 90-04-10367-8.