Almost two-third of these are unknown. A 'whizzbang' was a high-velocity, low-trajectory shell that made a shrill approach noise and then a sharp explosive report. Ridge when Longueval fell to the British on 9 July. The British Fourth Army (General Henry Rawlinson) made a dawn attack on 14 July, against the German 2nd Army (General Fritz von Below) in the Brown Position (Braune Stellung) from Delville Wood westwards to Bazentin le Petit Wood. A subsidiary attack of the The attack on Delville Wood started on July 15th. battle: they managed to clear the southern edge of German forces. The Delville Wood Delville Wood was sometimes known as Devil’s Wood, and the fighting there during the battle of the Somme was particularly ferocious. Photograph courtesy of Photos of the Great War website,