Battle of Yungay

The Battle of Yungay (or Yungai) effectively destroyed the Peru-Bolivian Confederation created by Bolivian Marshal Andrés de Santa Cruz in 1836. On January 20, 1839, the alliance formed Chilean Army led by Chilean General in Chief Manuel Bulnes and force of Peruvians opposed to Santa Cruz, decisively defeated the Confederate Army commanded by Santa Cruz after six hours of combat in the battlefield of Yungay, in northern Peru, 200 km north of Lima.