What battle was machine guns used for in ww1?

Machine guns were extensively used during World War I, with one of the most notable battles being the Battle of the Somme in 1916. This battle highlighted the devastating effectiveness of machine guns, as they inflicted heavy casualties on attacking forces. The use of machine guns contributed to the trench warfare stalemate, leading to prolonged battles with significant loss of life and little territorial gain. The introduction of machine guns changed military tactics and underscored the brutality of modern warfare.