Portal:Australia/Anniversaries/January/January 12
- 1943 – Australian and American forces begin attack on Sanananda during the Battle of Buna–Gona.
- 1976 – Eight-year-old Eloise Worledge is abducted from her home in Beaumaris, Victoria. No trace of her has ever been found.
- 2003 – Maurice Gibb of the band the Bee Gees passes away.
- 2005 – Australia's first Twenty20 cricket game was played at the WACA ground between the Western Warriors and the Victorian Bushrangers. It drew a sellout crowd of 20,700.