The second siege of Callao or Fall of Callao was the longest lasting siege that occurred on the Pacific coast during the Spanish American wars of independence. The siege was carried out by the combine

The Callao uprising, also known as the Callao mutiny, took place on February 5, 1824, in the Real Felipe Fortress in Callao, during the campaigns of Simón Bolívar in the Peruvian War of Independence,