Which official name of Argentina predated the Argentine Constitution of 1853?
Argentine Constitution of 1853: The Argentine Constitution of 1853 was the first constitution of Argentina approved with the support of the governments of the provinces —though without that of the Buenos Aires Province, who remained separated of the Argentine Confederation until 1859, after several modifications to the original constitution and the return of the power to Buenos Aires Unitarians— sanctioned in May 1853 by the Constitutional Convention gathered in Santa Fe, and promulgated by the provisional Director of the national executive government Justo José de Urquiza from the Federals. Argentine Confederation:  It was the name of the country from 1831 to 1852, when the provinces were organized as a confederation without a head of state.
i don't know