Historedia
AmericasEvent

Battle of Yungay: Chile defeats the Peru–Bolivian Confederation

When
1839
Where
Yungay, Peru
Episodes
1

The Battle of Yungay, fought on 20 January 1839, was the decisive engagement ending the War of the Confederation. Chilean forces under Manuel Bulnes defeated the Peru-Bolivian Confederation led by Andrés de Santa Cruz near Yungay, Peru. This victory forced the dissolution of the Confederation and restored an independent Peru under Agustín Gamarra.

Episodes

  1. 20 January 1839 · Yungay, PeruBattle of Yungay

    Chilean forces defeated the Confederation near Yungay, ending the war and dissolving the state.

Background and detail

The Engagement. At dawn on 20 January 1839, General Bulnes marched his four divisions to Yungay. Santa Cruz deployed his army along the Ancash River, with Herrera's division on the right flank. The battle resulted in a decisive Chilean victory, defeating the Supreme Protector and forcing the dissolution of the Confederation.

Aftermath. Following the defeat, Santa Cruz resigned as Supreme Protector on 20 February 1839. The Confederation was dissolved, with General Agustín Gamarra announcing its end on 25 August 1839. The victory was commemorated in Chile by naming Barrio Yungay in Santiago, honoring the common soldiers who fought in the battle.

People involved

Sources

  1. Battle of Yungay Wikipedia, revision of 2026-09-01
  2. Peru–Bolivian Confederation Wikipedia, revision of 2026-09-25
  3. Andrés de Santa Cruz Wikipedia, revision of 2026-09-20

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.