The Sydney Harbour Bridge – affectionately known as The Coathanger by Australians – was opened to great fanfare and a touch of scandal on 19 March 1932 and was the longest steel arch bridge in the world at the time, with a span of 503 metres (1,650 ft) and standing at 134 metres (440 ft) above Sydney harbour.
This is a companion discussion topic for the original content at https://www.worldhistory.org/article/2600/sydney-harbour-bridge-construction/.