Mapasingue was an hacienda in the 19th century. In November 1859, during the first Ecuadorian–Peruvian War, a Peruvian army contingent occupied its lands as a result of an agreement between Peruvian President Ramon Castilla and Supreme Chief of Guayas Guillermo Franco. The peace treaty signed between the two regimes in 1860 was known as the Treaty of Mapasingue.[2]
↑ Campos, José Antonio (1999). Historia Documentada de las Provincias del Guayas (in Spanish). Vol.V. Guayaquil: Proyecto de Rescate Editorial de la Biblioteca Municipal de Santiago de Guayaquil. p.81. ISBN9978-41-142-9. Campos notes that "in effect the Generals Castilla and Franco celebrated an interview about the international matter, aboard the Peruvian steamer Tumbes, and as a result, on November 8, 1859, the Peruvian army made up of 5,000 men disembarked and took up positions in the haciendas of Mapasingue, Tornero, and Buijo, in the immediacies of Guayaquil. The occupation was explained as a guarantee that Ecuador would fulfill its promises to Peru."
