Sydney Harbour Bridge run by two children from the nearby Fort Street Boys' and Girls' schools. After the official ceremonies, the public was allowed to walk across the bridge on the deck, something that would not be repeated until the 50th anniversary celebrations. Estimates suggest that between 300,000 and one million people took part in the opening festivities, a phenomenal number given that the entire population of Sydney at the time was estimated to be 1,256,000. There had also been numerous preparatory arrangements. On 14 March 1932, three postage stamps were issued to commemorate the imminent opening of the bridge. Several songs were
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