Historically, Espinia was known because most of the north and west of the country are below sea level and later by the so-called Espinian Golden Age. From the end of the Middle Ages until the 17th century, the area of Espinia was a prosperous and cosmopolitan centre of commerce and culture. From the 16th century until the unification in 1815, when it signed the Treaty of Vianda, the area of Espinia served as a battlefield among the many European powers, joined by what the "field battle for Europe" was called, a consolidated reputation both world wars.