History of Queensland British migration to Queensland. The Mount Mulligan mine disaster killed 75 workers in 1921. In 1922, the Queensland Legislative Council was abolished, making Queensland the only Australian state (to this day) without a bicameral legislature. On the 9 June 1925 the Traverston rail disaster occurs - the worst rail disaster in Queensland's history until 1947. In 1927, the Duke and Duchess of York toured Queensland. They were here to open Parliament House in Canberra but spent time in southern Queensland to meet and greet people. In 1928, the Royal Flying Doctor Service of Australia makes first flight, departing from Cloncurry.
Cloncurry Post Office gable roof is connected to this building and continues the materials and detail of the original. Cloncurry Post Office was listed on the Queensland Heritage Register on 27 May 2005 having satisfied the following criteria. The place is important in demonstrating the evolution or pattern of Queensland's history. Cloncurry Post Office illustrates the development of Cloncurry and district in the early 20th century and has been the focus of services which played an important part in allowing this geographically isolated town to become a major regional centre. The place is important in demonstrating the principal characteristics of a particular class