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
Formosa (horse) to Lambton, Cocoa Nut and Lopez. In her first start of the year in May, Formosa was second in the two-mile and two-furlong Tradesman's Plate run at Chester, losing to the mare Our Mary Ann. In June at Ascot, Formosa was beaten by Siderolite in the running for the two-mile Gold Vase. At the July meeting at Newmarket, Formosa was beaten by ten lengths by the 5-year-old mare Mysotia in the running for the £105 Queen's Plate. "The Sporting Review" commented on Formosa's poor form during the season, "[she] is being hacked about all over the country and losing her