Chang Hong
Chang Hong was a native of Zizhou in the ancient region of Shu. He was a famous scholar, politician, educator and astronomer in ancient China. He was well-knowledged, has extensive knowledge, is well-versed in chronology, astronomy, and is proficient in musical theory.
He was murdered by Zhao Jianzi. Zhuangzi claimed that his blood turned into green jade three years after his death. To this day, the Chinese still use the expression bixue to refer to the sacrfices or wrongful deaths of upright people.
