When central nervous system involvement occurs, making an accurate diagnosis of the condition can be challenging, especially given the current definition for definite neurosarcoidosis requires histologic confirmation of the affected tissue (brain biopsy).
There is no disputing it. The oldest hamburger restaurant chain in the United States is White Castle. The first White Castle restaurant opened in Wichita, Kansas, in 1921. The first McDonald's didn't open until 1948, by comparison.
Before the bun, hamburgers are said to have been served between two pieces of bread. In fact, a ground beef patty was known as Hamburger steak (first mentioned in an American cookbook in 1891); when this was put between bread or in a bun it was called a Hamburger sandwich.