9.00am (AEST) – Minister for Climate Change and Energy Chris Bowen to address the Energy Users of Australia annual conference – Melbourne

12.30pm (AEST) – Dr Angela Jackson, Besa Deda & Dr Aruna Sathanapally will give the Women in Economics Network Pre Budget Address

12.15pm (AEST) – Treasurer Jim Chalmers to address the Lowy Institute on aligning our economic and security interests – Sydney

2.15pm (AEST) – Costs hearing in Bruce Lehrmann’s defamation case against Network Ten and Lisa Wilkinson – Sydney 

Publication Day for former PM Scott Morrison’s book, Plans For Your Good: A Prime Minister’s Testimony of God’s Faithfulness

May Day, otherwise known as International Workers Day

Global Love Day

Anniversary of:

• ‘Penny Black’, the world’s first adhesive postage stamp issued by Great Britain (1840)
• the Empire State Building opening in New York City (1931)
• the marriage of Elvis and Priscilla Presley (1967)
• Tony Blair being elected Prime Minister of the United Kingdom (1997)
• Tasmania decriminalising homosexuality (1997)
• Geoffrey Hinton the ‘godfather’ of artificial intelligence stepping down as Google CEO so he could speak freely about the risks AI poses (2023)