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
Area code 000 Area code 000 Area code 000 is not a valid number in any country where dialling '0' reaches an operator. Area code 000 is not a valid North American Numbering Plan exchange or area code. It is invalid in the European Union and many other nations where '0' is reserved as a trunk prefix and '00' as an international call prefix. In Australia, 000 is reserved as an emergency telephone number. This code may show up as part of a number on a caller id system when receiving telemarketer outbound calls or from VoIP services, such as Skype or Vonage,