Chile–Peru relations and Angamos (Oct. 8, 1879) enabled Chile to control the sea approaches to Peru. A Chilean army then invaded Peru. An attempt at mediation by the United States failed in October 1880, and Chilean forces occupied the Peruvian capital of Lima the following January. Chile was also to occupy the provinces of Tacna and Arica for 10 years, after which a plebiscite was to be held to determine their nationality. But the two countries failed for decades to agree on what terms the plebiscite was to be conducted. This diplomatic dispute over Tacna and Arica was known as the Question
Lamas, Peru Lamas, Peru Lamas is the capital of the Lamas Province, situated in the San Martín Region of northern Peru. There are 16,871 inhabitants, according to the 2007 census. The 2005 northern Peru earthquake shook Lamas, killing 5 people and injuring 174; hundreds were left homeless. Lamas has been conquered twice. The first time was for those Pocras and the group of those Hanan Chancas who when being defeated supposedly in the battle of Yahuarpampa for the troops of the Inca Pachacútec in 1438 and conquered their territories natives like Ayacucho, they abandoned their territory and they went into the forest.