Al Birunyi manuscriptManuscript of al-Bīrūnī, Al-Athār al-Bāqiyah `an al-Qurūn al-Khāliyah, (Chronology of the Ancient Nations) MS 161, 1307. Edinburgh University. Depicting birth of either "Emperor Augustus" or Ahmad Ibn Sahl, who was a leader of a revolution against the Sāmānid ruler Nasr II (914-943 CE) of Transaxiana by post-mortem Caesarean section. Image at University of Edinburgh Image database