Radicalism has been inherent in South Australian history from its founding as a free settlement. Based upon the English radical liberal thought of its founders, the State's reputation grew as a progressive colony and the first to entirely separate church from state.
Before and after the arrival of Europeans, Aboriginal peoples had a well-developed cultural understanding and practical knowledge of plants, animal behaviour, local geology and meteorological conditions. Information they provided was frequently vital to the success – and even survival – of early European navigators and explorers.
Sir Charles Todd was a leader in the fields of meteorology, astronomy and communications, and is best remembered for masterminding the construction of the Overland Telegraph Line.
Mansions at one end and cottages at the other, with businesses, welfare, medical and educational institutions in between, all overlooking the parklands
The Torrens title system for land ownership was inaugurated in South Australia has led the world in the computerisation of real property title information.