The name of Nyislel Huree was used till 1923, when capital city of Mongolia was renamed as the city of Ulaanbaatar (Ulaan Baatar – Red Hero) and declared the official capital of an ‘independent’ Mongolia. The Khangard (Garuda) was declared the city’s official symbol. In 1933 Ulaanbaatar gained autonomy and separated from the surrounding Tov aimag.
The first 20-year general plan for developing the city was worked out in 1954. The first multi-party democratic election taken place in Mongolia in summer of 1990, which resulted in the first permanent multi-party Parliament. The new Parliament adopted a new Constitution of Mongolia (4th) in 1992, states: “Ulaanbaatar is the Capital city of Mongolia”.