Zhang Yunyi, was a Communist revolutionary and military strategist of the People’s Republic of China. Born in Wenchang, Hainan, he joined the Chinese Communist Party in 1926, and took part in the Northern Expedition, the Nanchang Uprising, the Baise Uprising, the Second Sino-Japanese War and the Chinese Civil War. Zhang held the posts of the army commander of the 7th Red Army, the assistant staff officer of the Military Commission of the Central Committee of the CCP, the commander of a military area, etc., and was named one of the ten Senior Generals in 1955. The Zhang Yunyi Memorial Hall is located in Wenchang, Hainan Province.

The New Fourth Army was a unit of the National Revolutionary Army of the Republic of China established in 1937. In contrast to most of the National Revolutionary Army, it was controlled by the Chinese Communist Party and not by the ruling Kuomintang. The New Fourth Army and the Eighth Route Army were the two main communist forces from 1938. The New Fourth Army was active south of the Yangtze River, while the Eighth Route Army was based in Yan'an in the northwest.