Portal:Military history of Australia/Selected anniversaries/June/June 7
- 1917 – World War I: The 3rd Division engages the enemy for the first time in the Battle of Messines.
- 1917 – World War I: Robert Cuthbert Grieve is awarded a VC for actions near Messines.
- 1917 – World War I: John Carroll is awarded a VC for actions in the Battle of Messines