Siege of Huajuapan de León

The siege of Huajuapan de León was a battle of the Mexican War of Independence that was fought from 5 April to 23 July 1812 at Huajuapan de León, in the Mexican state of Oaxaca. The battle was fought between the royalist forces loyal to the Spanish crown, and the Mexican rebels fighting for independence from the Spanish Empire. This Spanish siege of the town, lasting 111 days, was the longest of the entire war. The battle resulted in a victory for the Mexican insurgents.

The siege was defended against by a group of local insurgents commanded by Colonel Valerio Trujano. This siege is considered one of the most important battles of the second phase of the Mexican War for Independence.