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Bolívar Declares War on Peru

When: 3 June 1828
Where: Unknown
Part of: Bolívar declares war on Peru, opening the Gran Colombia–Peru War

Following the expulsion of Colombian forces from Bolivia, President Bolívar resolved to declare war against Peru on 3 June 1828.

Peru's campaign against Bolivia forced Colombians to leave. Bolívar, furious at the news, resolved to declare war against Peru on 3 June 1828. This decision marked the beginning of the Gran Colombia–Peru War.

Sources

Gran Colombia–Peru War Wikipedia, revision of 2026-09-17

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.