History of Lisbon francophile compatriots for the brutality and depredations of the French. Meanwhile, to control access to the capital, Wellington's chief engineer, Richard Fletcher, built the defensive lines known as the Lines of Torres Vedras across the peninsula on which Lisbon sits, using Portuguese workmen. Bounded by the Atlantic Ocean on one side and the Tagus on the other, the city was reachable only by a narrow stretch of land blocked by a range of hills stretching from Sintra to Torre Vedras, which since Roman times had marked the bounds of Lisbon's territory. Conceived by Fletcher and a Portuguese major, Neves Costa,
Atlantic Ocean as the mid-19th century. During the Age of Discovery, the Atlantic was also known to English cartographers as the Great Western Ocean. The International Hydrographic Organization (IHO) defined the limits of the oceans and seas in 1953, but some of these definitions have been revised since then and some are not used by various authorities, institutions, and countries, see for example the CIA World Factbook. Correspondingly, the extent and number of oceans and seas varies. The Atlantic Ocean is bounded on the west by North and South America. It connects to the Arctic Ocean through the Denmark Strait, Greenland Sea,