The First Battle of Villers-Bretonneux, took place during Operation Michael, part of the German spring offensive on the Western Front. The offensive began against the British Fifth Army and the Third Army on the Somme and pushed back the British and French reinforcements on the north side of the Somme. The capture of Villers-Bretonneux, close to Amiens, a strategically important road- and rail-junction, would have brought the Germans within artillery-range. In late March, Australian troops were brought south from Belgium as reinforcements to help shore up the line and in early April the Germans launched an attack to capture Villers-Bretonneux. After a determined defence by British and Australian troops, the attackers were close to success until a counter-attack by the 9th Australian Infantry Brigade and by British troops, late in the afternoon of 4 April, restored the line and halted the German advance on Amiens.

Operation Michael was a major German military offensive during the First World War that began the German Spring Offensive on 21 March 1918. It was launched from the Hindenburg Line, in the vicinity of Saint-Quentin, France. Its goal was to break through the Allied (Entente) lines and advance in a north-westerly direction to seize the Channel Ports, which supplied the British Expeditionary Force (BEF), and to drive the BEF into the sea. Two days later General Erich Ludendorff, the chief of the German General Staff, adjusted his plan and pushed for an offensive due west, along the whole of the British front north of the River Somme. This was designed to first separate the French and British Armies before continuing with the original concept of pushing the BEF into the sea. The offensive ended at Villers-Bretonneux, to the east of the Allied communications centre at Amiens, where the Allies managed to halt the German advance; the German Army had suffered many casualties and was unable to maintain supplies to the advancing troops.