Founded by King João VI of Portugal, Brazil and the Algarves on 6 June 1818, under the name of "Royal Museum", the institution was initially housed at the Campo de Santana park, where it exhibited the collections incorporated from the former House of Natural History, popularly known as "Casa dos Pássaros" ("House of the Birds"), created in 1784 by the Viceroy of Brazil, , as well as collections of mineralogy and zoology. The museum foundation was intended to address the interests of promoting the socioeconomic development of the country by the diffusion of education, culture, and science. In the 19th century, the institution was already established as the most important South American museum of its type. In 1946, it was incorporated into the Federal University of Rio de Janeiro.