How young is Australia?

Answer 1

• If dated from the time of the first European settlement, Australia will be 224 years old in January 2012.
• If dated from the time the name "Australia" was adopted in 1824, after Matthew Flinders' proposal of Terra Australis in the early 1800s, it will be 188 years old.
• If dated from Federation of the colonies, and its birth as the Commonwealth of Australia, which occurred on 1 January 1901, it will be 111 years old.
• If dated in geological terms, it is unknown how old the continent is.