Person

Kaykaus I

d. 1220 · 13th century · Also known as Izz al-Din Kaykaus I

Kaykaus I was sultan of the Seljuk Sultanate of Rum from 1211 to 1220. He expanded the sultanate to the Black Sea, taking the port of Sinop in 1214 and capturing Emperor Alexios I of Trebizond, whom he released as a tributary. He founded a hospital and medical school in Sivas, where he was buried.

Kaykaus I
Image: Aramgar · Public domain · Wikimedia Commons

Mentioned in 2 profiles

Sultanate of RumMilitaryEmpire of TrebizondFoundation

See also

Cite this entry
APA
The Epoch Institute. (2026). Kaykaus I. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/kaykaus-i
MLA
“Kaykaus I.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/kaykaus-i. Accessed .
Chicago
The Epoch Institute. “Kaykaus I.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/kaykaus-i.
Harvard
The Epoch Institute (2026) ‘Kaykaus I’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/kaykaus-i (Accessed: ).

Last reviewed October 2026Random entry ↻