the customs and religions of different peoples. In The Chronology Of Ancient Nations, he mentions the birth and death of the Caliphs, Shia Imams, Fatimah (daughter of Muhammad) and Khadija (Muhammad's wife). Mathematical geography Discussing the astrolabe, Al-Biruni considers the orthographic cylindrical projection as his own invention, expanding upon the work of Al-Saghani. He also describes two novel projections he has created, which are nowadays called the azimuthal equidistant and the Nicolosi globular. Editions C. Eduard Sachau (ed.), Chronologie orientalischer Völker von Alberuni, Leipzig 1878 (Internet Archive link), reprinted Leipzig 1923, Baghdad 1963. C. Eduard Sachau (trans.), The Chronology of Ancient Nations: An English Version of the Arabic Text of the Athâr-ul-Bâkiya of Albîrûnî, or 'Vestiges of the Past', Collected and Reduced ... by the Author in A. H. 390 - 1, A. D. 1000 , London 1879 (Internet Archive link). 1969 reprint: Minerva-Verlag; Unverand edition. 1984 reprint: Aristide D Caratzas Pub. . 2002 reprint: Adamant Media Corporation, . 2004 reprint: Kessinger Publishing, . Notes References Sources External links Al-Biruni Calendars Islamic calendar Persian art Scientific illuminated manuscripts Illuminated histories Islamic illuminated manuscripts 1000 books 10th-century Arabic books