|1048 by topic|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Ab urbe condita||1801|
|Balinese saka calendar||969–970|
|English Regnal year||N/A|
|Chinese calendar||丁亥年 (Fire Pig)
3744 or 3684
— to —
戊子年 (Earth Rat)
3745 or 3685
|- Vikram Samvat||1104–1105|
|- Shaka Samvat||969–970|
|- Kali Yuga||4148–4149|
|Japanese calendar||Eishō 3
|Minguo calendar||864 before ROC
|Seleucid era||1359/1360 AG|
|Thai solar calendar||1590–1591|
1174 or 793 or 21
— to —
1175 or 794 or 22
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- September 10 or September 18 – Battle of Kapetrou: Seljuks defeat a force of Byzantines and Georgians.
- Byzantines fail to reconquer Malta.
- The last Viking raid is made on the Kingdom of England; unsuccessful raiders flee to Flanders.
- King Edward the Confessor of England goes to war against Flanders, blockading the English Channel with a fleet based at Sandwich, Kent.
- Approximate date – The city of Oslo is founded by King Harald Hardrada of Norway.
- July 16 – Pope Benedict IX is driven from Rome by German troops, ending his third and final pontificate.
- July 17 – Pope Damasus II succeeds Benedict IX, as the 151st pope.
- May 18 – Omar Khayyám, Persian poet, astronomer, mathematician, and philosopher (d. 1123)
- May 25 – Emperor Shenzong of China (d. 1085)
- Sheikh Ahmad-e Jami, Persian Sufi and Sufi writer
- Alexius I Comnenus, Byzantine Emperor (d. 1118)
- Arwa al-Sulayhi, sovereign queen of Yemen (d. 1138)