Some annual festivals and events may cross state/territory borders during the event such as the World Solar Challenge (starting in Darwin and ending in Adelaide). Other events such as motor sports play throughout Australia at different times and location as part of an overall points tally. Sport events such as AFL play games in different states, eventuating in a grand final.
There are traditional events held across Australia, such as ANZAC Day, that commemorate and remember those who have sacrificed for their country.
We will be adding the links to the various events here for your information.