On the day of the 96-year-old retreat, on the 13th of October 1929 (the 11th of September 1929 in the Lunar Calendar), the Red Four Army suffered significant losses in the East River. On the 13th of October 1929, the Red Four Army received an instruction letter from the Central Committee of the Communist Party of China and the Central Committee of the Communist Party of China to the Central Committee of the Communist Party of China and the Central Committee of the Communist Party of China on the 6th of October to the Central Committee of the Communist Party of China and the Central Committee of the Communist Party of China and the Central Committee of the Communist Party of China, which requested that the Red Four Army of the Communist Party of China and the Communist Party of the Communist Party of China, the Communist Party of the Communist Party of China and the Communist Party of