I was reading about Frederick The Great of Prussia last night when I came across this picture.

 

Frederick-the-great-tv-hi-007

I thought… hmmmm… that hat looks familiar!

Napoleon apparently adopted the hat from Frederick The Great of Prussia, whom he greatly admired, who in turn borrowed it from Charles XII of Sweden. A quick Google search lead me to this article in The Milwaukee Journal from 1938:

The origin of Napoleon's hat

 

I don’t think I’ve ever heard this story before. Perhaps David or someone can shed some light on its veracity?