Guo Shoujing vs Osman I
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Compare the life timelines of Guo Shoujing (1231–1316) and Osman I (1254–1324) side by side. Their lives overlapped for 62 years, from 1254 to 1316.
Verified event
Unverified event
Approximate (circa) date
Lifespan
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Guo Shoujing (1231–1316)
- — Born in Xingtai, Hebei Verified
- — Studied under the scholar-statesman Liu Bingzhong's circle Verified
- — Entered the service of Kublai Khan as a hydraulic engineer Verified
- — Surveyed and improved irrigation and waterways in the Gansu region Verified
- — Appointed to lead the reform of the imperial calendar Verified
- — Completed the Shoushi calendar Verified
- — Became head of the Imperial Astronomical Bureau Verified
- — Completed the Tonghui Canal linking Dadu to the Grand Canal Verified
- — Died in Dadu (modern Beijing) Verified
Osman I (1254–1324)
- — Birth of Osman in northwestern Anatolia Verified
- — Legendary dream of Osman foretelling a great empire
- — Marriage to Malhun Hatun
- — Succeeded his father Ertugrul as leader of the Kayi tribe Verified
- — Asserted independence as ruler of his own beylik Verified
- — Victory over the Byzantines at the Battle of Bapheus Verified
- — Began the blockade of the Byzantine city of Bursa Verified
- — Death of Osman I Verified