Senate federal level. Similarly in Argentina, in addition to the Senate at federal level, eight of the country's provinces, Buenos Aires, Catamarca, Corrientes, Entre Ríos, Mendoza, Salta, San Luis (since 1987) and Santa Fe, have bicameral legislatures with a Senate. Córdoba and Tucumán changed to unicameral systems in 2001 and 2003 respectively. In Australia and Canada, only the upper house of the federal parliament is known as the Senate. All Australian states other than Queensland have an upper house known as a Legislative council. Several Canadian provinces also once had a Legislative Council, but these have all been abolished, the last
Provinces of South Africa Provinces of South Africa South Africa is divided into nine provinces. On the eve of the 1994 general election, South Africa's former homelands, also known as Bantustans, were reintegrated and the four existing provinces were divided into nine. The twelfth, thirteenth and sixteenth amendments to the constitution changed the borders of seven of the provinces. The Union of South Africa was established in 1910 by combining four British colonies: the Cape Colony, the Natal Colony, the Transvaal Colony and the Orange River Colony. (The latter two were, before the Second Boer War, independent republics known as the South African Republic