7.10am (AEST) – Sydney Marathon

From 10.00am (AEST) – Walk for Yes – Sydney, Melbourne, Canberra, Brisbane, Perth, Hobart

3.00pm (AEST) – Men’s Soccer – Australia Cup Quarter Final – Sydney FC v Western United – Sydney

6.00pm (AEST) – Men’s Cricket – 5th ODI – Australia v South Africa

10.00pm (AEST) – F1 – Singapore Grand Prix

Australian Citizenship Day, marking the anniversary of the proclamation of the Commonwealth of Australia (1900)

Bravery Trek begins to support Aussie veterans (until 31 October)

National Police Week starts (until 29 September)

World Patient Safety Day

Batman Day

Birthdays for Narendra Modi (1950) and Baz Luhrmann (1962)

Anniversary of:
• Dutch scientist Antonie van Leeuwenhoek becoming the first to report the existence of bacteria (1683) • the debut of the Looney Tunes characters Wile E Coyote and Road Runner in the cartoon Fast and Furry-ous (1949)
• the premiere of M*A*S*H (1972)
• the signing of the Camp David Accords, frameworks for peace in the Middle East and between Egypt and Israel (1978)