C369
One day, according to the records of the Continued Harmonious Records, Fei Changfang, the most famous immortal of the Han Dynasty, said to his disciple Huan Jing,
"On the ninth of September, great calamity will befall your hometown of Rennan. Quickly lead your family, tie the dogwood with a red bag, and drink chrysanthemum wine on your arm. Then you will be able to avoid calamity