07/10/1853
Argentina signs an international agreement opening up the Parana River to outside ships Business/Industry
01/05/1860
Argentine Confederation and breakaway province of Buenos Aires agree to a reunification Foreign
02/03/1852
Argentine rebel forces oust dictator Juan Manuel de Rosas Foreign
05/02/1866
At the Battle of Estero Bellaco, Brazilian and Argentine forces beat off a Paraguayan attack. Battles/Soldiers
05/24/1866
At the Battle of Tuyutí, the Paraguayan army suffers massive losses attacking the Allied invaders. Battles/Soldiers
12/12/1863
Civil wars preventing Argentine unification come to an end US/the World
03/20/1861
In Argentina, thousands die when an earthquake devastates the city of Mendoza and its surroundings Crime/Disasters
06/11/1865
In South America, a Brazilian river fleet defeats Paraguayan naval forces at the Battle of Riachuelo US/the World
05/25/1865
In South America, Argentinian and allied troops temporarily recapture the river port of Corrientes US/the World
05/01/1865
In South America, Brazil, Argentina, and Uraguay form the Triple Alliance for their war against Paraguay US/the World
09/22/1866
In the Paraguayan War, an Allied attempt to storm a Paraguayan fortress meets with disaster. Battles/Soldiers
04/13/1865
Paraguayan naval forces attack the river port of Corrientes and so bring Argentina into their war with Brazil US/the World
