WHAT
HAPPENED IN 1048
By place
Asia
- September
10 or September
18 – Battle
of Kapetrou: Seljuks
defeat a force of Byzantines
and Georgians.
Europe
- Last Viking raid on the Kingdom of England; unsuccessful raiders flee to Flanders.[1]
- King Edward the Confessor of England goes to war against Flanders, blockading the English Channel with a fleet based at Sandwich, Kent.[1]
- Approximate
date – The city of Oslo
is founded by King Harald
Hardrada of Norway.
By topic
Religion
- 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.
Births
- May 18 – Omar Khayyám, Persian poet, astronomer, mathematician, and philosopher (d. 1123)
Omar
Khayyam was one of the major mathematicians and astronomers
of the medieval period. He was acknowledged as the author of
the most important treatise on algebra before modern times.
This is reflected in his Treatise on Demonstration of
Problems of Algebra giving a geometric method for solving
cubic equations by intersecting a hyperbola with a circle.
His significance as a philosopher and teacher, and his few
remaining philosophical works, has not received the same
attention as his scientific and poetic writings.
- May 25 – Emperor Shenzong of China (d. 1085)
- June 16 – Sheikh Ahmad-e Jami, Persian Sufi and S973)ufi writer
- Alexius
I Comnenus, Byzantine
Emperor (d. 1118)
Deaths
- December
13 – Al-Biruni,
Persian mathematician
