What causes a new town to appear?

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Xavier Bage @franxav thought it was nice that the town of Horseleap in Ireland was named after an animal. In India it seems most towns are named after ideological or political leaders. So I began to wonder how new towns come into being. I don't recall any new towns being created in Australia so what did I do? I googled it. It seems Roxby Downs was the last new town to be established. This was in 1987. It is mining town situated 563 kilometres north of Adelaide in South Australia. Because of its many leisure and community facilities it is often referred to as the most modern of the outback towns. Roxby Downs is in one of the driest areas of South Australia. In summer, temperatures can reach over 45 °C, while in winter, temperatures drop below freezing. Roxby Downs was given its name by the original station-owner who brought cattle down from Roxby in Queensland. Jabiru was established in 1982 in the Northern Territory, originally as a closed town to house those living near the Ranger Uranium Mine. The mine and town are surrounded by the Kakadu National Park. It has a tropical monsoon season and often experiences widespread flooding. They also have spectacular electrical storms from time to time. The town gets its name from the jabiru. a large bird which is also known as the black-necked stork. The aborigines call it the 'policeman-bird'. Do you know of any new towns established near you recently? I guess new suburbs appear all the time on the outskirts of cities but discrete towns probably not so often. The photo was taken in the Northern Territory by Vince.