Trams in Sydney The original cable line was extended via Miller and Falcon Streets to Crows Nest, and later the whole line was electrified and extensions were built to various termini around the Lower North Shore. The history of the North Sydney tramway system can be divided into three periods – the first from the original opening in 1886 to 1909, when the McMahons Point line opened. The second period covers the time until the Wynyard line was opened across the Sydney Harbour Bridge in 1932, and the third from then until the general closure of the system in 1958. In the initial
Sydney Harbour defences the 1960s, however. While Sydney is no longer protected by fixed defences, a high proportion of the Australian Defence Force is based within the greater Sydney region and could be called on to protect the city during an emergency. During the 2000 Sydney Olympics security for the Harbour was provided by Special Forces, Navy Clearance Divers and warships. Current major ADF facilities in Sydney include: Sydney Harbour defences Sydney Harbour was protected by coastal batteries and other fixed defences from the early 19th century until the 1960s. These defences were constructed to protect the Australian city of Sydney from attack