- Orange Oddfellows’ Hall hosts a concert by the Lone Pine Memorial Band. The band consists of eighteen returned soldiers who were wounded in the Battle of Lone Pine. The evening’s proceeds are donated to the Returned Soldiers’ Association of NSW.
- British forces on the Western Front push forward beyond Bullecourt
- Austrian troops on the Southern Front fail to recover the heights north of Gorizia; their surprise attack at night on Vodice collapses
- Auckland born pilot Thomas Grey Culling shoots down his fifth enemy aircraft in France, becoming New Zealand’s first fighter ace. He would be killed in action on 8 June 1917.
- The United States adopts an official national insignia for all branches of the military, a white star centred in a blue circle with a red disc centred within the star