05/01/1852
Alberdi publishes a proposal for a new Argentine constitution based heavily on the Constitution of the United States Foreign
06/11/1860
American bark sails from Buenos Aires to New York in thirty-six days, fastest on record Business/Industry
09/11/1866
In Argentina, the nation's first railroad, begun in 1857, extends another 110 miles westward. Business/Industry
08/04/1864
In South America, Brazil delivers Uruguay an ultimatum over the security of its southern border US/the World
10/12/1864
In South America, units of Brazil's army invade the Uruguayan province of Cerro Largo US/the World
02/20/1865
In Uruguay, the civil war comes to an end as negotiations replace the government with the rebel Colorado Party US/the World
08/07/1852
Justo José de Urquiza revokes a February decree confiscating the property of former Argentine dictator Juan Manuel de Rosas Foreign
