A, sandwich introduction
is a sandwich bread, that is, in the two pieces of bread (usually first buttered) sandwiched between some kind of food (usually cold), such as: jam (jam), cheese (cheese), ham (ham), roast beef (roastbeef), and so on, and respectively, called jam sandwiches, cheese sandwiches, ham sandwiches, roast beef sandwiches, etc.
On the origin of the "sandwich" there is such a small story: according to legend, in the 18th century in the United Kingdom there is a man called John. Montague. Sandwich Earl IV (JohnMontagu4thEarlofSandwich) of the people, this person gambling sex, even when eating is not willing to leave the croupier, just call the servant to give him two pieces of sliced meat and cheese sandwiched between the slices of bread to fill the hunger. Later, this way of eating was slowly accepted by the people, and people called this food "sandwich" (Sandwich), and this food gradually became a favorite food.
Two, hamburger introduction
Originally refers to beef patties or steak, and now it is mainly refers to a flat and round (flatandround) beef patty bread, it is: first chopped beef, made into a cake, and then it is placed in a roundbreadroll (roundbreadroll) in the cooked, can be eaten. But nowadays, when people (mainly in the US) speak of hamburger, they may also be referring exclusively to beef patties or ground beef.
The word "hamburger" dates back to medieval Europe, when people chopped up beef and made patties to make it easier to digest. Later, this food practice spread to Germany, and in Hamburg (Hamburg) around the popularity of the so-called "hamburger steak" (hamburger). To the 19th century, this food to the United Kingdom, by the food writer Salisbury (Salusbury) to further improve, so it became "Salisbury steak". 19 century, the beginning of the 20th century, this food was introduced to the United States, and by the people welcome. But the real popularity in the United States, that is in the 1920s or so, the United States has a called White Castle (WhiteCastle) of the snack chain, this chain store to a very low price to sell this food, and referred to as "hamburger", not long after this tasty and inexpensive food will be widely popular in the United States!
The hamburger is one of the most popular foods in the United States and has become one of the most popular foods in the world.
Three, the difference between sandwiches and burgers
1, sandwiched with beef is a burger, accurately "Fort", that is, Burger (is sandwiched with beef Oh)
2, sandwiched with the other (in addition to the meat sausage) are sandwiches (no matter what kind of bread you)
3, burger is a true subset of sandwiches (as for our country KFC, McDonald's call these two kinds of burgers, this is the definition of China)