The Battle of Riachuelo was a large and decisive naval battle of the Paraguayan War between Paraguay and the Empire of Brazil. By late 1864, Paraguay had scored a series of victories in the war, but on 11 June 1865, its naval defeat by the Brazilians on the Paraná River began to turn the tide in favor of the allies.
The Naval Battle of the Riachuelo is fought on the rivulet Riachuelo (Argentina), between the Paraguayan Navy on one side and the Brazilian Navy on the other. The Brazilian victory was crucial for the later success of the Triple Alliance (Brazil, Uruguay, and Argentina) in the Paraguayan War.
On June 11, in the year 1865, The Naval Battle of the Riachuelo is fought on the rivulet Riachuelo (Argentina), between the Paraguayan Navy on one side and the Brazilian Navy on the other. The Brazilian victory was crucial for the later success of the Triple Alliance (Brazil, Uruguay, and Argentina) in the Paraguayan War. This event is recorded as a Historical Events event in the history of June 11, one of 363 recorded events on this date across all of history.
Key Facts
- This event took place on June 11, 1865 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 8 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 23 May 2026.
On This Date in History 363
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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