Click here to LISTEN to ABC Radio National launch of the Defining Moments Project of the National Museum of Australia. It will encourage public debate in Australia about the 100 most important events in the nation's history, defining who we are and what we aspire to be.

The event ,which took place at the National Museum of Australia in Canberra on 1 June 2018 involved a public debate about LGBTIQ rights in Australia, the first Sydney Mardi Gras and how to commemorate the changes in Australian attitudes to this minority.

It was broadcast nationally on Radio National ABC on 18 June 2018.