Canned foods made their debut on store shelves in the 19th century, and they’ve only become more common ever since. From your local deli to supermarkets, you can find pretty much anything—from tuna to pineapple—in canned form. But how did we get here? The history of canned food is more intricate than you’d think, and includes new inventions and changes in method and design that bring us to the canned goods we eat today.