A7V - German tank from World War I. September 15, 1916 the armies of English, for the first time in history, used the new weapons - tanks. German military authorities initially disregarded this fact, however, in November 1916 years commissioned Eng. Josef Vollmerowi design the first German combat vehicles of this type. Production started in mid-tanks 1917. Ordered 38 pieces, but eventually managed to produce only 2