Opened in 1940 as a replacement for the original Jervois Bridge, the Birkenhead Bridge was the first to employ a double-bascule design in Australia, and continues to function as a critical link between Port Adelaide and Lefevre Peninsula.
Harold Hubert Salisbury (1915–1991), a career policeman and winner of the Queen’s Police medal in 1970, was recruited from Yorkshire to be South Australia’s police commissioner in 1972. In 1978 the ‘Salisbury Affair’ polarised South Australia’s community (roughly along party-political lines) and remains controversial.
Built between 1882 and 1884, South Australia's only colonial warship was a veteran of three major conflicts and still exists today as a breakwater at Heron Island on the Great Barrier Reef