<Li> 1908--Henry Ford develops the assembly line method of automobile manufacturing with the introduction of the Ford Model T . </Li> <Li> 1911--Selandia launched, the first ocean - going, diesel engine - driven ship . </Li> <Li> 1915 <Ul> <Li> The Luftkissengleitboot Hovercraft, the first hovering vehicle was created by Dagobert Müller . It could only travel on water . </Li> <Li> A British commission was tasked with creating a vehicle able to cross a 4 ft wide trench - the tank . </Li> </Ul> </Li> <Ul> <Li> The Luftkissengleitboot Hovercraft, the first hovering vehicle was created by Dagobert Müller . It could only travel on water . </Li> <Li> A British commission was tasked with creating a vehicle able to cross a 4 ft wide trench - the tank . </Li> </Ul>

What came first the car or the plane