[PAR] [TLE] Pickelhaube [SEP] The Pickelhaube (plural "Pickelhauben"; from the German "Pickel", "point" or "pickaxe", and "Haube", "bonnet", a general word for "headgear"), also Pickelhelm, was a spiked helmet worn in the nineteenth and twentieth centuries by German military, firefighters, and police.  Although typically associated with the Prussian army who adopted it in 1842-43, [PAR] [TLE] Stahlhelm [SEP] Stahlhelm (plural "Stahlhelme") is German for "steel helmet".  The Imperial German Army began to replace the traditional boiled leather Pickelhaube (spiked combat helmet) with the Stahlhelm during World War I in 1916.  The term "Stahlhelm" refers both to a generic steel helmet, and more specifically to the distinctive (and iconic) German design.
[PAR] [TLE] Pickelhaube [ SEP ] The Pickelhaube ( plural " Pickelhauben " ; from the German " Pickel " , " point " or " pickaxe " , and " Haube " , " bonnet " , a general word for " headgear " ) , also Pickelhelm , was a spiked helmet worn in the nineteenth and twentieth centuries by German military , firefighters , and police . Although typically associated with the Prussian army who adopted it in 1842 - 43 , [PAR] [TLE] Stahlhelm [ SEP ] Stahlhelm ( plural " Stahlhelme " ) is German for " steel helmet " . The Imperial German Army began to replace the traditional boiled leather Pickelhaube ( spiked combat helmet ) with the Stahlhelm during World War I in 1916 . The term " Stahlhelm " refers both to a generic steel helmet , and more specifically to the distinctive ( and iconic ) German design .
What helmet typically associated with the Prussian Army was replaced by a steel helmet during World War I?
What helmet typically associated with the Prussian Army was replaced by a steel helmet during World War I ?
Pickelhaube
Pickelhaube