Dive into the rise of the submarine sandwich. From its origins in Italian-American delis to becoming a fast-food staple worldwide, we explore how this overstuffed, flavor-packed creation took the culinary world by storm. The most famous ones are Subway's sub, which they are serving as a Subway daily special sub promotion in canada. What makes a sub different from other sandwiches? How did major chains like Subway and Jersey Mike’s shape its popularity? Join us as we uncover the history, evolution, and cultural impact of the beloved submarine sandwich!