Siege of Esztergom (1241) other European states, bar Moravia, Bohemia, and the Polish duchies, which the Mongols dealt with separately. Bela's kingdom was ill-prepared for the Mongol invasion. At the time, Hungary was one of the poorest and most sparsely populated areas of Europe. The population was estimated at slightly over 2 million in the mid-thirteenth century despite its large land area, with the largest city, Esztergom, having only 12,000 inhabitants. Its armies consisted primarily of light cavalry with some light infantry, and only a handful of crossbowmen, mounted knights, and heavy infantry, in contrast to the areas further west where such troops were
Transfer of the Portuguese Court to Brazil subjects, Brazil should heavily invest in those sectors effective immediately. He abolished any prohibition to industrial development. This attracted investment from Great Britain and, in a way, did expand the demand for labor. When the Portuguese court arrived in Rio de Janeiro on March 7, 1808, Brazil was very sparsely populated, with a little over 3 million inhabitants. Around one-third of the colony’s population consisted of enslaved peoples, most having been captured and shipped from Africa. The indigenous population at the time was of around 800,000 people, having been dramatically reduced and isolated during the first 300 years of exploration