1950 : Tibet invaded by PLA 1950 : Sino-Soviet Treaty Signed 1950 : China enters Korean War 1954 : Geneva Convention 1958 : PRC attacks offshore islands under Nationalist control 1960 : Withdrawal of the Soviet technical advisors 1962 : Sino-Indian War 1963 : Mao attacks policy of peaceful coexistence 1969 : Sino Soviet Split 1971 : PRC raplaces Taiwan in UNSC 1972 : Visit of Nixon to China 1980 : "Reform and opening up" 2001 : China admitted to the WTO 1955 : Non-aligne mouvement (3d world) 1963 : Agreements signes with the 3d world 1950 : Mao gives help to the Viet-Minh 1979 : Open door policy 1980 : Special economic zones 1980 : IMF gives money to China 1992 : One China Principle 1971 : Start of the ping pong diplomacy 1953 : Death of Stalin 1956 : Emergence of Sino Soviet Split 1956 : Khrushchev in power in USSR 1956 : De-Stalinization 2002 : President Bush signals Taiwan to avoid provoking PRC on issue of Taiwan independence