Compléter HAMBURGUER Version en ligne Complete the following text using the correct word par Paola Abril 1 in who slices sold near by century is There controversy over the German origin of the hamburger , but it is a U . S . invention , says 'The Hamburger : A History " Josh Ozersky . However , the origin of the inventor of the hamburger is still not clear . lt could be Chartie Nagreen , sold meatballs between two pieces of soft bread in 1885 . Or maybe Frank Menches , from Ohio , who a sandwich made of meat and soft bread in Hamburg , N . Y . 1885 . Another possible inventor was Louis Lassen , from Connecticut , who served sorne meat pieces between two of toast in 1900 . There was also Fletcher David , a Texan who sold a meat sandwich with soft bread in a world exhibition in 1904 , where it got the name " hamburger . " However , meat and bread - like today's hamburger - was more common in Hamburg , Germany , in the nineteenth . lt was called Hamburg steak and was a usual dish far the German immigrants that left Hamburg far the United States . Anyone could prepare it , and they could have it while standing up orwalking . So , the hamburger already existed in the early twentieth century , but it was only food far workingmen and served in restaurants factories at midday . However , after the introduction of the automobile in the market and people's new wish for meals to eat on the road , the reputation of the hamburger improved in 1920 .