Peruvian–Bolivian War of 1828
May 1 – September 8, 1828 · Bolivia
Result Peruvian victory
Peruvian troops under Agustín Gamarra invaded Bolivia. The war forced President Antonio José de Sucre to resign and the Colombian troops to leave Bolivia.
Bolivia
Peru
Strength and losses
- Strength
- c. 3,500–4,500
Gran Colombia Casualties 3,500–6,000
- Strength
- 4,000–4,500