On 1 July 1916, the first day on the Somme, the Grimsby Chums were in the first wave attacking the fortified village of La Boisselle, just south of the Albert-Bapaume road.
On 25 July 1916 at Ovillers-la-Boisselle during the Battle of the Somme, Z Company used 80 projectors when the Australians were due to attack Pozières.