Cyclone Tracy 1974 / Tracy killed 71 people, caused A$837 million in damage (1974 dollars), or approximately A$4.45 billion (2014 dollars). It destroyed more than 70 percent of Darwin's buildings, including 80 percent of houses. Tracy left more than 41,000 out of the 47,000 inhabitants of the city homeless prior to landfall and required the evacuation of over 30,000 people. Most of Darwin's population was evacuated to Adelaide, Whyalla, Alice Springs and Sydney.
John Flynn is on the Australian 20 dollar note. John was the founder of the Flying Doctor service that aids those in the outback to access medical assistance by plane.
On Christmas Eve and Christmas morning 1974, the Australian city of Darwin was devastated by Cyclone Tracy. 71 people died and 70% of the city was destroyed. It was described as "a disaster of the first magnitude…. without parallel in Australia's history".