About these ratings. The United MileagePlus program is best for travelers based in major American cities like San Francisco, Chicago, Denver, Houston, New York City, Los Angeles and Washington, D.C. United operates several thousand domestic flights each day and services primary business and leisure destinations in Europe, Mexico and Asia.
Louis Lunch â The First Hamburger in America. I visited the birthplace of the American hamburger. Louis Lunch, open since 1895, invented the hamburger in 1900 when a patron demanded a quick lunch and Louis Lassen slapped a few steak trimmings between two slices of white bread. Thus, the hamburger was born, and very little has changed since that fateful day.
White Castle also used the first ever industrial strength spatula, manufactured the first mass-produced paper hat, and was the first to sell frozen fast food. White Castle has been extremely popular as a hamburger chain for as long as eating hamburgers was trendy.hite Castle was the first fast food hamburger company to ever sell not only a million burgers, but also to sell a billion burgers as well. The first White Castle was opened in 1921 with only $700 worth of borrowed money.