M&M's first landed on shelves back in 1941, and have became a firm favourite amongst chocolate lovers over the years. The original multi-coloured buttons feature a milk chocolate filling, but there are now several variations of the popular sweet treat, such as hazelnut, peanut butter, almond and caramel.
Millions treat themselves to a packet of M&M's on the regular, yet the history behind the chocolate-filled buttons goes unnoticed to many.
The wildly popular chocolate buttons are the flagship product of the Mars Wrigley Confectionary division of Mars, Incorporated - the American food manufacturing company behind hundreds of our favourite snacks.
Get exclusive celebrity stories and fabulous photoshoots straight to your inbox with OK!'s daily newsletter . You can sign up at the top of the page.The concept behind M&M's was allegedly inspired by a clever hack used to help soldiers during the Spanish Civil War in the 1930's, which enabled them to carry chocolate in warm temperatures without it melting.
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