What country did hot dog originate?

The exact origin of the hot dog is unclear, but there are several theories. One popular theory is that the hot dog originated in Frankfurt, Germany in the 17th century. Another theory is that the hot dog originated in Austria in the late 18th century. There is also evidence to suggest that the hot dog may have originated in China more than a thousand years ago. Regardless of its origins, the hot dog has become a popular street food that is enjoyed all over the world.