Episode 1 of 4

Refusal to Ratify San Nicolás Agreement

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

Buenos Aires refused to ratify the San Nicolás Agreement, driven by Unitarian resistance to Urquiza's authority.

The San Nicolás Agreement called for a Constituent Congress. News of its signing provoked a reaction among zealous Unitarian factions in Buenos Aires. Colonel Mitre rallied the Assembly against the accords, and public opinion was shaped against the agreement before Governor López y Planes arrived.

Sources

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

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.