Juan de Solis, the first Spanish explorer to reach the region, was killed.
The Spanish viceroyalty of Peru assumes control of the Rio de la Plata region.
Colonial patriots in Buenos Aires oust the Spanish viceroyal government.
General Juan De Manuel de Rosas is elected President of Buenos Aires Province.
A federal constitution, like that of the U.S.A's, is established in Argentina.
Peron is electd to the presidency; his popular wife, Evita, is put in charge of labor and health relations.
In September, after three days of bloody fighting, a military coup succeeds in ousting Peron, who goes into exile; the federal constitution of 1853 is restored.
A military junta under General Jorge Videla seizes power; opponents of the regime are rounded up in the so-called Dirty War, during shich thousands of people are murdered.
Civilian rule returns.
The country introduces a new currency, the peso, relative of the U.S. dollar.