India, Nov. 3 -- Every year on November 3rd, food lovers across the globe celebrate World Sandwich Day, a date that pays homage to one of the most versatile foods ever invented. The popular story traces back to John Montagu (1718-1792), the 4th Earl of Sandwich, a British statesman and an avid gambler from who requested his meat be served between two slices of bread so he could continue playing cards without making a mess. What started as a nobleman's convenience has evolved into a global phenomenon with different countries adapting it to their culture, steeped in history. Centuries later, the humble sandwich whispers stories as an edible artefact about colonisation, class and how even revenge can shape what ends up between two slices. From Vietnam's Banh Mi, born out of French occupation and local ingenuity, to Japan's Katsu Sando, designed so geishas could eat without smudging their makeup, to our Vada Pav, built for the city's working class on the go, every sandwich carries a layered story. This World Sandwich Day, we're biting into five sandwiches from around the world, each with roots that serve more than just flavour....