 Ecuadorian–Colombian War

The Ecuadorian–Colombian War, or War of the Cauca ("Guerra del Cauca"), occurred in 1863 between the United States of Colombia, (now Colombia and Panama), and the Republic of Ecuador.Under the Spanish Empire, Colombia and Ecuador had been part of the Viceroyalty of New Granada, and upon independence from Spain, they had co-existed as part of Greater Colombia between 1819 and 1831.