ca. 1188: Theodore Mangaphas establishes an independent rule in the region of Philadelphia.
summer 1189: Emperor Isaac II Angelus campaigns against Theodore Mangaphas and compromises with him.
ca. 1193: Basil Vatatzes forces Mangaphas to abandon Philadelphia and find shelter in the sultanate of Ikonion.
1195‑1196: Theodore Mangaphas invades against Byzantine territories in the valley of the Meander River, Caria and Chonai.
1196: The Seljuk sultan gives Mangaphas to the Byzantines, who imprison him.
1204: Mangaphas tries again to establish an independent rule in the region of Philadelphia.
19 March 1205: Mangaphas is defeated by Henry of Flanders. His land is incorporated into the state of Theodore I Laskaris.