The history of the punk subculture involves the history of punk rock, the history of various punk ideologies, punk fashion, punk visual art, punk literature, dance, and punk film. Since emerging in the United States, the United Kingdom and Australia in the mid-1970s, the punk subculture has spread around the globe and evolved into a number of different forms. The history of punk plays an important part in the history of subcultures in the 20th century.