11.30am (AEST) – PM Anthony Albanese to announce the date of the Voice referendum – Elizabeth, South Australia

12.30pm (AEST) – Employment Minister Tony Burke addresses the National Press Club – Canberra

ABS Data Release – Monthly Consumer Price Index indicator, July; Construction Work Done, Preliminary, June; Building Approvals, July

Company Results – Flight Centre

Braveheart’s White Balloon Day to benefit child protection advocacy

International Day of the Victims of Enforced Disappearances

National Meals on Wheels Day

La Tomatina in Buñol, Spain

International Cabernet Sauvignon Day

Birthdays for Warren Buffett (1930), Cameron Diaz (1972), Leisel Jones (1985), and Eamon Sullivan (1985)

Anniversary of:

• the birthday of Frankenstein author Mary Shelley (1797)
• the founding Melbourne, Australia (1835)
• the formation of Hurricane Irma, which went on to become a category 5 hurricane that killed at least 102 people (2017)
• the death of Mikhail Gorbachev (2022)