Analysis of information sources in references of the Wikipedia article "Danh sách đế quốc có diện tích lớn nhất" in Vietnamese language version.
At its birth Germany occupied an area of 208,825 square miles (540,854 square km) and had a population of more than 41 million, which was to grow to 67 million by 1914.
Sofern nicht anders vermerkt, beziehen sich alle Angaben auf das Jahr 1912.
A primeira estimativa oficial para a extensão superficial do território brasileiro data de 1889. O valor de 8.337.218 km² foi obtido a partir de medições e cálculos efetuados sobre as folhas básicas da Carta do Império do Brasil, publicada em 1883. [The first official estimate of the surface area of the Brazilian territory dates from 1889. A value of 8,337,218 km² was obtained from measurements and calculations made on drafts of the Map of the Empire of Brazil, published in 1883.]
