© IWM (Q 8626) top Battle of Rosieres, 26th March, 1918 occurred during the German Michael Offensive, was also called Second Somme. The map below shows the progression of the battle (from Wikipedia). The top picture show the British burning their vast supply depots in Bouzincourt. Albert is to the left, it would fall the next day. Artillery can be seen pulling out in the middle distance.