Episode 2 of 4

Official Separation of Buenos Aires

When
11 September 1852
Where
Buenos Aires, Argentina
Part of
Buenos Aires Province secedes after the Revolution of 11 September 1852

Governor Pinto officially separated Buenos Aires from the Argentine Confederation, creating the State of Buenos Aires.

On 11 September 1852, Governor Pinto officially separated Buenos Aires province from the Argentine Confederation. This action established the State of Buenos Aires as a secessionist republic. The ruling upper class aspired to maintain political and economic preeminence, including a monopoly on customs and sole representation in foreign relations.

Sources

  1. Revolution of 11 September 1852 Wikipedia, revision of 2026-08-22
  2. State of Buenos Aires Wikipedia, revision of 2026-09-05

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.