Who Was Alive in 840

1 of 492 historical figures were alive in 840

Al-Khwarizmi

Al-KhwarizmiAge about 60

780–850 · Science & Invention

Mathematician whose name gave us algorithm

Also Died in 840

Louis the Pious

778–840 · died June 20

Emperor of the Carolingian Empire from 813 to 840

774–840 · died March 14

Frankish scholar and courtier (c. 775 – 840)

Sources

840 — Wikipedia. Births, deaths and events of the year
Al-Khwarizmi — Wikipedia

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