no new events·National security and defenceSeptember 15, 1916: First use of tanks in battle changes history at the Somme15 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today15/09/2026, 04:42September 15, 1916: First use of tanks in battle changes history at the Somme1 source →1 of 1 eventsStoryline coverage1 source · 1/7