The (pl. ; from , and , , a general word for "headgear"), also , is a spiked leather or metal helmet that was worn in the 19th and 20th centuries by Prussian and German military officers, firefighters and police. Although it is typically associated with the Prussian Army, which adopted it in 1842–43, the helmet was widely imitated by other armies during that period.See "The American Pickelhaube" for examples of American military Pickelhaube. It is still worn today as part of ceremonial wear in the militaries of certain countries, such as Sweden, Chile, and
