Al-Khwarizmi's treatise on algebra
A Baghdad scholar gives the world the word 'algorithm'
Muhammad al-Khwarizmi, a scholar of Baghdad's House of Wisdom, wrote a treatise on solving equations. The word al-jabr in its title gave us algebra, and the author's name gave us algorithm.
Wikipedia (Russian) · Wikipedia (English) · 9th century
Meanwhile around the world (±25 years)
Europe
- 800 Coronation of Charlemagne — 20 years earlier
- 843 Treaty of Verdun — 23 years later
Asia
- 802 Founding of the Khmer Empire — 18 years earlier
Americas
- c. 800–950 Drought and the Classic Maya collapse — 20 years earlier
Alive at the time
- Louis the Pious (aged 42)
- Al-Khwarizmi (aged 40)