Traditionally, Mongols practiced Shamanism, worshipping the Blue Sky. However, Tibetan Buddhism (also called Vajrayana Buddhism) gained more popularity after it was introduced in 16th century.
In 1989 when communism was starting to fall elsewhere, many Mongolian weren't really ready for the change.
Officially name: Mongolia
Capital: Ulan Bator
Largest city: Ulan Bator
Official language: Mongolian
Government: Parliamentary republic