Provinces of Argentina became provinces in 1951. Misiones did so in 1953, and Formosa, Neuquén, Río Negro, Chubut and Santa Cruz, in 1955. The last national territory, Tierra del Fuego, became the Tierra del Fuego, Antártida e Islas del Atlántico Sur Province in 1990. Argentina is a federation of twenty-three provinces and one autonomous city, Buenos Aires. Provinces are divided for administration purposes into departments and municipalities, except for Buenos Aires Province, which is divided into partidos and "localidades". Buenos Aires City itself is divided into communes ("comuna") and non-official neighbourhoods ("barrios"). Provinces hold all the power that they chose not to delegate
César Mendoza at Helsinki as a member of the show jumping team. César Mendoza General César Leonidas Mendoza Durán (September 11, 1918 – September 13, 1996) was a member of the Government Junta which ruled Chile from 1973 to 1990, representing the country-wide police force, the "Carabineros de Chile". Mendoza was born in Santiago, the youngest of the eleven children of Atilio Mendoza Valdebenito, a science teacher and first mayor of La Cisterna, and Amalia Durán, a pianist. In 1938, young César Mendoza began his compulsory military service. In 1940, he matriculated at the Carabineros' School, from which he was graduated as