Portal:Military history of Australia/Selected anniversaries/September/September 1
- 1900 – John Hutton Bisdee wins a VC in Transvaal, South Africa
- 1900 – Guy George Egerton Wylly wins a VC at Warm Baths, South Africa
- 1918 – Alexander Henry Buckley wins a VC in Peronne, France
- 1918 – William Matthew Currey wins a VC in Peronne, France
- 1918 – Albert David Lowerson wins a VC in Mont St. Quentin, France
- 1918 – Robert MacTier wins a VC in Mont St. Quentin, France
- 1918 – Edgar Thomas Towner wins a VC in Mont St. Quentin, France
- 1951 – Australia, New Zealand and the United States sign a mutual defence pact, called the ANZUS Treaty.