What year does  the current version of the Constitution whose creation was sponsored by Justo José de Urquiz date from?
Battle of Caseros:  As provisional Director of the Argentine Confederation, Urquiza sponsored the creation of the Constitution in 1853, and became the first constitutional President of Argentina in 1854. Constitution of Argentina: The Constitution of Argentina is the basic governing document of Argentina, and the primary source of existing law in Argentina. Constitution of Argentina:  It was then reformed in 1860, 1866, 1898, 1949, 1957 (which mainly repealed the 1949 reform), and the current version is the reformed text of 1994.
i don't know