Third day of the second battle of Bapaume. After defeating a German counterattack on 22 August Haig is able to order a general advance on 23 August, using Third Army (Byng) and part of Fourth Army, on a 33 mile front.
How to cite this article: Rickard, J (3 January 2018), 23 August 1918, https://www.historyofwar.org/firstworldwar/daybyday/1918_08_23.html