Kayqubad I

Type Figure Region Sultanate of Rum Time c. 1188–1237 Also known as Ala al-Din Kayqubad I、Kayqubad I、Alâeddin Keykubad I

Kayqubad I (1188–1237) was Sultan of the Sultanate of Rum (Seljuks of Rum), reigning 1220–1237, one of the strongest Islamic rulers in 13th-century A…

Timeline

c. 1188–1220Konya · Sultanate of RumSon of Sultan Kaykhusraw I, he ascended in 1220 after his brother Kaykaus I was deposed, quickly consolidating control over central Anatolia and the Mediterranean coast.
1221–1230Alanya · Mediterranean coastIn 1221 he conquered Kaloyanoros (later Alanya); in the 1220s he undertook major building works in Konya, Sivas, and elsewhere, while dealing with the Empire of Trebizond, the Armenian Kingdom of Cilicia, and the Empire of Nicaea.
1231–1237Konya · Sultanate of RumFrom 1231 to 1237 he maintained Rum at its height; in 1236 he made peace with the Nicaean emperor John III Vatatzes; in 1237 he died the same year as his brother Kaykaus I, and the realm passed to his underage son Kaykhusraw II.

Sources

The Cambridge History of Turkey, Vol. 1: Byzantium to Turkey, 1071–1453 — Kate Fleet (2009)
A History of the Seljuks: Ibrahim Kafesoglu's Interpretation and the Resulting Controversy — Gary Leiser (1988)