what is Australia Day about?

If I ran a poll on the meaning of Australia Day, I think a lot of respondents would look as dumb as an American discussing the right to bear arms.

Australia Day is a commemoration of the day the first British fleet landed at Sydney Cove and declared British Sovereignty over the EASTERN half of Australia. Why just the Eastern half? Well, in 1606, the Dutch "discovered" Australia, but only the West. Rather than fight over the barren dust bowl of an island, the Dutch and the Brits agreed to split it down the middle.