It houses the sarcophagus of Mehmet I (ruled 1413 21), itself ornately decorated with patterned Iznik tiles.
Mehmet I  ruled from 1413 to 1450.
mnli hypothesis: Mehmet I  ruled from 1413 to 1450. premise: It houses the sarcophagus of Mehmet I (ruled 1413 21), itself ornately decorated with patterned Iznik tiles.