Christmas isn’t a national holiday in Japan (only one percent of the Japanese population is estimated to be Christian) yet a bucket of “Christmas Chicken” is the go to meal on the big day.  And it’s all thanks to the insanely successful marketing campaign “Kurisumasu ni wa kentakkii!” (Kentucky for Christmas!) in 1974. The colonel’s recipe is so popular, the fast-food chain recommends customers place their Christmas orders two months in advance

Source: www.blog.smithsonianmag.com