The history of the sandwich dates back to the 18th century, attributed to the Earl of Sandwich, John Montagu. Legend has it that he ordered meat tucked between two slices of bread so he could eat while continuing to play cards. This convenient meal quickly gained popularity and was named after him. Over time, the sandwich evolved into various forms worldwide, with countless fillings and types of bread. Today, it is a staple in many cultures, from the classic ham and cheese to the Vietnamese banh mi, showcasing the versatility and global appeal of this simple yet satisfying food.