Who Was Alive

Were Al-Khwarizmi and Pope John IX alive at the same time?

Yes. Al-Khwarizmi and Pope John IX were alive at the same time, from c. AD 840 to c. AD 850.

Al-Khwarizmi

Al-Khwarizmi

Mathematician and astronomer

Born c. AD 780 · died c. AD 850

Pope John IX

Pope John IX

Catholic priest who served as Pope

Born c. AD 840 · died 5 January AD 900

Al-Khwarizmi and Pope John IX in bold, with some of their best-known contemporaries; dashed lines mark world events. Drag across, or use the arrow keys, to see the age each reached in any year. Faded ends mark uncertain dates.

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Where Al-Khwarizmi and Pope John IX were born

Al-Khwarizmi and Pope John IX are labelled, with the contemporaries on the timeline. Each dot is a birthplace from Wikidata (9 of 10 placed); tap one to open that person.
Birthplaces as a list