1048
| Years: 1045 1046 1047 – 1048 – 1049 1050 1051 | |
| Decades: 1010s 1020s 1030s – 1040s – 1050s 1060s 1070s | |
| Centuries: 10th century – 11th century – 12th century | |
Events
- The city of Oslo is founded by Harald Hardråde of Norway.
Births
- May 18 – Omar Khayyam, Persian poet, astronomer, mathematician and philosopher (d. 1123)
- Alexius I Comnenus, Byzantine emperor (d. 1118)
Deaths
- August 9 – Pope Damasus II
- December 13 – Al-Biruni, Persian mathematician (b. 973)
Categories: 1048