Compléter Reading Explorer Intro_2_A_typeVersion en ligne Complete the information using words from the box. Two words are extra. par Tatiana Muchnick 1 learned step developed covered various ingredient serving The hamburger is one of the best - loved foods in the world . In the U . S . alone , people eat more than 14 billion ( 14 , 000 , 000 , 000 ) burgers every year ! But who made the first one ? No one knows for certain , but there are stories about where this favourite food comes from . In the 1200s , Mongolian soldiers to soften meat by placing it under the saddles of their horses while riding . Then they ate the meat - without cooking it . It was the first kind of " meat patty . " Hundreds of years later , people in the town of Hamburg , Germany , developed " Hamburg steak " - a dish of salty meat on round bread . They brought this traditional German food with them when they came to live in America in the 1900s . The " hamburger " that we know today really started in the USA . In 1885 , a man from Wisconsin named Charles Nagreen had the idea of meatballs between pieces of bread . That way , people could eat them while walking . In the same year , a man in Hamburg , New York , sold sandwiches using pork as the main . One day , he did not have enough pork and decided to use beef . Without knowing it , he had a new type of food - one that is now eaten by millions around the world .