Agustín Gamarra Messia was a Peruvian soldier and politician, who served twice as President of Peru, first from 1829-1833, and then again from 1838 until his death in 1841.

The Battle of Yungay was the final battle of the War of the Confederation, fought on January 20, 1839, near Yungay, Peru. The United Restoration Army, led by Chilean General Manuel Bulnes, consisting