1 January – Bilateral conventions for the exchange of money orders come into effect between the United States of America and the colonies of New South Wales and Victoria.
9 December – Brisbane is the first city in Australia to install electric lighting.
Science and technology
6 December – A rare transit of Venus across the disc of the Sun is visible from Australia, and many scientific parties arrive from around the world to observe and record the transit. The next occurrence was June 2004.[1]Archived 10 November 2006 at the Wayback Machine