ustralia, with John Hosking the first elected mayor. The first of several Australian gold rushes started in 1851, and the port of Sydney has since seen many waves of people arriving from around the world.
Rapid suburban development began in the last quarter of the 19th century with the advent of steam-powered tramways and railways. With industrialisation Sydney expanded rapidly and, by the early 20th century, it had a population of more than a million. In 1929, the novelist Arthur Henry Adams called it the "Siren City of the South" and the "Athens of Australia". The Great Depression hit Sydney badly. One of the highlights of the Depression era, however, was the completion of the Sydney Harbour Bridge in 1932. There has traditionally been a rivalry between Sydney and Melbourne since the gold rushes of the 1850s made the capital of Victoria Australia's largest and richest city. Sydney overtook Melbourne in population in the early years of the 20th century, and continues to be the largest city in Australia. During the 1970s and 1980s, Sydney's central business district (CBD), with a great number of financial institutions including the headquarters of the Reserve Bank, surpassed Melbourne as the nation's financial capital. Throughout the 20th century, especially in the decades immediately following World War II, Sydney continued to expand as large numbers of European and later Asian immigrants took up residence in the metropolitan area
