Indochina -1951 French Union (1946-) 1951 1952 1953 1956 kingdom (1958-) 1959 Patet Lao (1961-) 1961 1961 people's republic (1975-) 1977 1980 1980 1980 1990 1990 1990 1990 «Lao PDR» 2005