Fibonacci vs Razia Sultana
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Compare the life timelines of Fibonacci (1170–1250) and Razia Sultana (1205–1240) side by side. Their lives overlapped for 35 years, from 1205 to 1240.
Verified event
Unverified event
Approximate (circa) date
Lifespan
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Fibonacci (1170–1250)
- — Born in Pisa, Republic of Pisa Verified
- — Moved to Bugia in North Africa and studied Hindu-Arabic arithmetic Verified
- — Traveled around the Mediterranean studying mathematics Verified
- — Published Liber Abaci, introducing Hindu-Arabic numerals to Europe Verified
- — Completed Practica Geometriae, a treatise on geometry and surveying Verified
- — Published Liber Quadratorum and was received by Emperor Frederick II Verified
- — Issued a revised and expanded edition of Liber Abaci Verified
- — Granted an honorary salary by the Republic of Pisa Verified
- — Died, probably in Pisa Verified
Razia Sultana (1205–1240)
- — Born to Sultan Iltutmish
- — Reportedly designated heir by her father
- — Became the first woman to rule the Delhi Sultanate Verified
- — Ascended the throne of Delhi Verified
- — Adopted male royal attire and ruled openly Verified
- — Promoted Jamaluddin Yaqut, alienating the Turkic nobility Verified
- — Captured and imprisoned by Malik Altunia Verified
- — Married Malik Altunia and marched on Delhi Verified
- — Defeated and killed near Kaithal Verified