On January 26 2009 how old will Australia be?

Answer 1

• If dated from the time of the first European settlement, Australia will be 221 years old.
• 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 185 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 108 years old.
• If dated in geological terms, it is unknown how old the continent will be.