Sultan grammar—uses the same words for both women and men. However, this styling misconstrues the roles of wives of sultans. In a similar usage, the wife of a German field marshal might be styled "Frau Feldmarschall" (similarly, in French, constructions of the type "madame la maréchale" are quite common). The female leaders in Muslim history are correctly known as "sultanas". However, the wife of the sultan in the Sultanate of Sulu is styled as the "panguian" while the sultan's chief wife in many sultanates of Indonesia and Malaysia are known as "permaisuri", "Tunku Ampuan", "Raja Perempuan", or "Tengku Ampuan". The queen
Sultan Agung of Mataram within the complex field of folklore that attributes Sultan Agung with various powers and activities, the field of achievements is much greater. Sultan Agung is also attributed with the founding of the unique Javanese calendar – this established a uniquely indigenous calendar which is still in use. Sultan Agung's major legacy lies however in the administrative reforms he undertook in the conquered territories. The ever-increasing large territorial extent of these territories led him to create an innovative and rational administrative structure. He created "provinces" by appointing people as "adipati" (equivalent to Duke) at the head of territories called "kadipaten" (Duchy),