Happy Fall Hat Month! The temperatures are cooling down, which means your transitional wardrobe is just heating up! And what better way to add a little flair to your outfit than with an unexpected accessory?! Most hats were initially created to serve a purpose, but these days they’re worn as much for fashion as for function. Can’t decide which style is right for you? Get the 411 on our Top 20 Hats in History before you decide which one to wear on your head.