11.00am (AEST) – First Fox News televised debate for Republican presidential hopefuls – Wisconsin

Independence Day in Ukraine

Treasurer Jim Chalmers hands down the Intergenerational Report

Arts Minister Tony Burke launches Creative Australia

Company Results – Cleanaway Waste Management; Medibank Private; Nine Entertainment Co; Qantas; Ramsay Health Care; Stockland Corporation; Star Entertainment Group; Tabcorp Holdings; Whitehaven Coal

Birthdays for Stephen Fry (1957), Ava DuVernay (1972), Dave Chappelle (1973), John Green (1977), and Rupert Grint (1988)

Anniversary of:
• the eruption of Mount Vesuvius, burying Pompeii and Herculaneum and killing 15,000 (79)
• the invention of the potato chip by chef George Crum in New York, according to popular legend (1853)
• Amelia Earhart becoming the first woman to fly nonstop across the US (1932)
• Tim Cook becoming CEO of Apple after the resignation of Steve Jobs due to health reasons (2011)
• the ouster of PM Malcolm Turnbull/Scott Morrison becoming PM (2018)