Zu chongzhi biography of barack obama

The Zu family was an extremely talented one with successive generations being, in addition to court officials, astronomers with special interests in the calendar. In ancient China there was a belief that an emperor received his right to rule from heaven. Producng a calendar specifically for a new emperor established a link from the heavens to the particular ruler. This meant that astronomers had important roles at court for their skills could

Zu chongzhi biography of barack obama president

Biography of barack obama early life

Zu chongzhi biography of barack obama full

Biography of barack obama president