Australia does not celebrate a "Children's Day".
Most Aboriginals don't celebrate Australia Day because they see it as a day of invasion and prefer not to celebrate it.
Australia's national colours are green and gold. Therefore, green and gold are most commonly used to celebrate Australia Day. Australia's flag is blue, red and white. These colours are sometimes used to celebrate Australia Day as well.
The whole of the Australian population celebrate Australia day.
Because the international date line is in (the middle of) the Pacific ocean. Thus Australia sees every day first.
Wattle Day is every first of September every year. Wattle day was made around 1992 and is a day to celebrate Australia's beautiful flowers.
Australia does not celebrate Waitangi Day. Waitangi Day is unique to New Zealand, where it falls on 6 February every year.
The countries which celebrate Boxing day do so on the same date, the 26th of December.
Australia
The Indonesians celebrate Independence day on the 17th of August
they celebrate this speacial date on the best day of them all..... you tell me
Because on Australia Day we celebrate all things Aussie and so we celebrate those great and delicious Aussie foods :)