Hamburger of the country." Louis Lassen of Louis' Lunch, a small lunch wagon in New Haven, Connecticut, is said to have sold the first hamburger and steak sandwich in the U.S. in 1900. "New York" magazine states that "The dish actually had no name until some rowdy sailors from Hamburg named the meat on a bun after themselves years later", noting also that this claim is subject to dispute. A customer ordered a quick hot meal and Louis was out of steaks. Taking ground beef trimmings, Louis made a patty and grilled it, putting it between two slices of toast. Some
Hamburger University would move its U.S. and world headquarters including Hamburger University from its long time home in Oak Brook to a newly built complex on property which formerly housed Oprah Winfrey's Harpo Studios in Chicago. Starting in 2017 McDonald's put up for sale or sold most of its Oak Brook campus. Hamburger University was satirized in the 1986 comedy, "Hamburger... The Motion Picture". It was also spoofed by McDonald's itself in a commercial with Ronald McDonald in which several animatronic hamburgers were shown graduating from school. Hamburger University Hamburger University is a training facility of McDonald's, located in Oak Brook, Illinois,