Who Was Alive

Were Pope Stephen IV and Al-Khwarizmi alive at the same time?

Yes. Pope Stephen IV and Al-Khwarizmi were alive at the same time, from c. AD 780 to AD 817.

Pope Stephen IV

Pope Stephen IV

Catholic priest who served as Pope

Born c. AD 770 · died 24 January AD 817

Al-Khwarizmi

Al-Khwarizmi

Mathematician and astronomer

Born c. AD 780 · died c. AD 850

Pope Stephen IV and Al-Khwarizmi 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 Pope Stephen IV and Al-Khwarizmi were born

Pope Stephen IV and Al-Khwarizmi are labelled, with the contemporaries on the timeline. Each dot is a birthplace from Wikidata (6 of 7 placed); tap one to open that person.
Birthplaces as a list