The Sydney Opera House is a multi-venue performing arts centre in Sydney, Australia. It is one of the 20th century's most famous and distinctive buildings. Designed by Danish architect Jørn Utzon, the building was formally opened on 20 October 1973 after a gestation beginning with Utzon's 1957 selection as winner of an international design competition. The government of New South Wales, led by the premier, Joseph Cahill, authorised work to begin in 1958 with Utzon directing construction.