Name of Mexico It was rebuilt during the following three years, after which it was designated as a municipality and capital of the vice-royalty of New Spain. In 1524 the municipality of Mexico City was established, known as "México Tenustitlan", and as of 1585 became officially known simply as "Ciudad de México". The name "Mexico" was used only to refer to the city, and later to a province within New Spain. It was not until the independence of the vice-royalty of New Spain that "Mexico" became the traditional and conventional short-form name of the country. During the 1810s, different insurgent groups advocated and
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.