Australia_Day is one of the best summer celebration days in the world. However, the-26th might eventually be replaced with another day.
https://en.wikipedia.org/wiki/Australia_Day#1988:_Bicentenary
https://www.australiaday.org.au/
https://en.wikipedia.org/wiki/Australia_Day#Debate
https://www.bbc.com/news/world-australia-68014555
https://www.australiaday.com.au/whats-on/dawn-reflection/
https://www.abc.net.au/news/2024-01-26/australia-day-invasion-day-dawn-service-rallies/103389696
https://www.australiaday.com.au/whats-on/harbourfest/