The use of some kind of bread or bread-like substance to lie under some other food, or to scoop it up and enclose or wrap it, is found in many cultures historically.
In the first century BCE, the ancient Jewish sage … 展开

Before being known as sandwiches, this food combination seems to have been known as "bread and meat" or "bread and cheese". These two phrases are found throughout English drama from the 16th and 17th centuries. … 展开

Sandwiches have been widely sold in cafes, railway stations, pubs and diners since the invention of sliced bread in the 1920s. Sandwiches kept unwrapped, drying up and edges curling, until they were sold, were widely foun… 展开