Sultanzade Sultanzade Sultanzade is an Ottoman title for sons of sultana or imperial princesses, female descendants of sovereign in male line. The feminime equivalent is "hanımsultan". Sultan (سلطان) is a word Arabic origin, originally meaning "authority" or "dominion" and "-zade" is a Persian suffix meaning 'son of', 'daughter of', 'descendant of', or 'born of'. Sultanzade literally meaning "descendant of sultan". In Ottoman family, sultanzade used by sons of Ottoman princesses, female descendants of sovereign in male line. Different with şehzade, sultanzade excluded from the Ottoman imperial succession. The formal way of addressing sultanzades are "Sultanzade" (given name) "Bey-Efendi", i.e. "Sir" Prince
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