Name of Mexico in Mexico City—the accepted name internationally—but the converse actually applies. Before Spanish times, the capital was formally named Tenochtitlan, but was the seat of the Mexica Empire which is known as the Aztec Empire. As far back as 1590, the Theatrum Orbis Terrarum showed that the northern part of the New World was known as "America Mexicana" (Mexican America), as Mexico City was the seat for the New Spain viceroyalty. New Spain is mistaken as the old name for Mexico, rather than the name of a large of expanse of land which covered much of North America and included the
Name of Argentina "equivalent and valid" denominations. Then on October 8, 1860, President Santiago Derqui decreed the official name to be República Argentina. In common speech, the country is referred to as "la Argentina" (the Argentine) in Spanish, bypassing the noun in any of the above expressions ("the Argentine [land]", "the Argentine [Republic]", etc.). Name of Argentina The name of Argentina (a Spanish adjective meaning "silvery"), traditionally called the Argentine in English, is ultimately derived from the Latin "argentum" "silver" and the feminine of the adjectival suffix -īnus, the Latin "argentum" has its origin from the ancient Greek-Hellenic word "argyro(s)", άργυρο(ς) meaning silver.