How many years has Hainan been liberated? How many years will it be open to the outside world?
1950 in may, Hainan island was liberated, Hainan military and political Committee was established, and military control was implemented. In April of the following year, Hainan Administrative Office of Guangdong Provincial People's Government was established, and in March of 1955, it was renamed Hainan Administrative Office of Guangdong Province. 1966 after the outbreak of the "cultural revolution", Hainan administrative office stopped exercising its functions and powers. 1968 In April, Hainan Revolutionary Committee was established with unified leadership. 1976 10 was renamed as the Revolutionary Committee of Hainan Administrative Region, and 1980 10 was renamed as Hainan Administrative Office. 1984 10 year 10 month, Hainan administrative office was revoked and the people's government of Hainan administrative region was formally proclaimed. Hainan Province-1988 On April 13, the first meeting of the Seventh National People's Congress adopted a decision on the establishment of Hainan Province and a resolution on the establishment of Hainan Special Economic Zone; On April 26th, 1988, the CPC Hainan Provincial Committee and Hainan Provincial People's Government were officially listed. Since then, Hainan has become the youngest province and the largest special economic zone in China, and its development has entered a brand-new historical period.