Portal:Australia/Anniversaries/June/June 23


 * 1860 – Sir Baldwin Spencer, the first person to study Australia anthropology, was born in Britain.
 * 1903 – The first Australian postage stamps are issued, replacing pre-federation colonial stamps.
 * 1979 – The Eastern Suburbs railway line is opened.
 * 2000 – A fire at a backpacker hostel at Childers, Queensland kills 15.