text: world war 1 - new inventions during the period 1914-1919. scientists that lived during that period.? great discoveries (1914-1919) the first thing that comes to mind is the tank. named the tank because the british who invented it, told everyone that it was a water carrier, until they got into position. then all hell broke out! ;o) p.s. the 1st world war was 1914 - 1918.