Editor's Observe: This story initially appeared on Dwell and Make investments Abroad. Portugal is the oldest nation in Europe, with the identical outlined borders since 1139. Earlier than that, it was a part of the Umayyad Caliphate and the Roman Empire. The nation is dwelling to the oldest bookstore chain on the planet, Livraria Bertrand, which opened its doorways in 1732. Right here, too, is among the oldest universities…