- Threatened by the advance of the German Army on the Western Front No 4 Squadron of the Australian Flying Corps relocates from Bruay to Clairmarais North. The squadron is assisting the Royal Air Force in bombing German transports and troops during the Spring Advance.
- Troops of the 4th Australian Division engage with the advancing German Army at Dernancourt on the Western Front. Fighting extends from Dernancourt to Albert; the Division is successful in repelling all attacks. Sergeant SR McDougall of the 47th Battalion is awarded the Victoria Cross.