Sultana (title) Sultana (title) Sultana or sultanah (; ") is a female royal title, and a feminine form of the word sultan. This term has been officially used for female monarchs in some Islamic states, and historically it was also used for sultan's consorts. Nevertheless, westerners have also used the title to refer to Muslim women monarchs and sultan's women relatives who do not hold this title officially. The term sultana is a feminine form of the word sultan (), an Arabic abstract noun meaning "strength", "authority", "rulership", derived from the verbal noun ", meaning "authority" or "power". Later, sultan came to
Arabic mile If al-Farghani used the legal cubit as his unit of measurement, then an Arabic mile was 1995 meters long. If he used al-Ma'mun's surveying cubit, it was 1925 meters long or 1.04 modern nautical miles. During the Umayyad period (661–750), the "Umayyad mile" was roughly equivalent to , or a little more than two kilometers, or about 2 biblical miles, for every Umayyad mile. Around 830 AD, Caliph Al-Ma'mun commissioned a group of Muslim astronomers and Muslim geographers to measure the distance from Tadmur (Palmyra) to Raqqa, in modern Syria. They found the cities to be separated by one degree