| 7:28 am 1st July 1916 the first day of the Battle of the Somme. | |
| La Boisselle, near Albert, on the Somme, France. | |
| 34th Division - 101st Brigade, 102nd Brigade (The Tyneside Scottish), 103rd Brigade (The Tyneside Irish). | |
| Royal Engineers dug a mine and detonated 27 tons of high explosive in two chambers. | |
| A massive crater opened up. The British soldiers marched in a straight line towards the German trenches and more than 6,000 were killed. | |
| The aim was to tunnel towards and under the German trenches and explode mines under them. | |
| A very large crater, many thousands killed, some advances gaining ground from the Germans. |
