Horned helmets were worn by many people around the world. Headpieces mounted with animal horns or replicas were also worn, as in the Mesolithic Star Carr. These were probably used for religious ceremonial or ritual purposes. Horns tend to be impractical on a combat helmet. Much of the evidence for these helmets and headpieces comes from depictions rather than the items themselves.
Two bronze statuettes dated to the early 12th century BC, the so-called "horned god" and "ingot god", wearing horned helmets, found in Enkomi, Cyprus. In Sardinia dozens of warriors with horned helmets are depicted in bronze figures and in the monte prama gigantic statues, similar to those of the Shardana warriors (and possibly belonging to the same people) depicted by the Egyptians.
A pair of bronze horned helmets, the Veksø helmets, from the later Bronze Age (dating to c. 1100–900 BC) were found near Veksø, Denmark in 1942. Another early find is the Grevensvænge hoard from Zealand, Denmark (c. 800–500 BC, now partially lost).
The Waterloo Helmet, a Celtic bronze ceremonial helmet with repoussé decoration in the La Tène style, dating to c. 150–50 BC, was found in the River Thames, at London. Its abstracted 'horns', different from those of the earlier finds, are straight and conical. Late Gaulish helmets (c. 55 BC) with small horns and adorned with wheels, reminiscent of the combination of a horned helmet and a wheel on plate C of the Gundestrup cauldron (c. 100 BC), were found in Orange, France. Other Celtic helmets, especially from Eastern Europe, had bird crests. The enigmatic Torrs Pony-cap and Horns from Scotland appears to be a horned champron to be worn by a horse.
Depicted on the Arch of Constantine, dedicated in 315 AD, are Germanic soldiers, sometimes identified as "Cornuti", shown wearing horned helmets. On the relief representing the Battle of Verona (312) they are in the first lines, and they are depicted fighting with the bowmen in the relief of the Battle of the Milvian Bridge.
A depiction on a Migration Period (5th century) metal die from Öland, Sweden, shows a warrior with a helmet adorned with two snakes or dragons, arranged in a manner similar to horns. Decorative plates of the Sutton Hoo helmet (c. 600) depict spear-carrying dancing men wearing horned helmets, similar to a figure seen on one of the Torslunda plates from Sweden. Also, a pendant from Ekhammar in Uppland, features the same figure in the same pose and an 8th-century find in Staraya Ladoga (a Norse trading outpost at the time) shows an object with similar headgear. An engraved belt-buckle found in a 7th-century grave at Finglesham, Kent in 1965 bears the image of a naked warrior standing between two spears wearing a belt and a horned helmet; a case has been made that the much-repaired chalk figure called the "Long Man of Wilmington", East Sussex, repeats this iconic motif, and originally wore a similar cap, of which only the drooping lines of the neckguard remain. Figures from This headgear, of which only depictions have survived, seems to have mostly fallen out of use with the end of the Migration period. Some have suggested that the figure in question is not even supposed represent an actual headgear, but a god, like Odin. A figure with a similar headgear was found at the sight of the Uppåkra temple, the site of a supposed Odinic-cult. The figure in question lacked an eye. A similar object, from Levide on Gotland, features a one-eyed figure with the headgear. This figure had one eye removed, apparently after its completion. This would link the headgear as a mythological representations rather than depictions of actual helmets. Note, that the similar crests to the animal figures on the helmets of the warrior's depicted on the Sutton Hoo helmet has been demonstrated on helmets from Valsgärde, but the depicted crests where grossly exaggerated.
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During the High Middle Ages, fantastical headgear became popular among knights, in particular for tournaments. The achievements or representations of some coats of arms, for example that of Lazar Hrebeljanovic, depict them, but they rarely appear as charges depicted within the arms themselves. It is sometimes argued that helmets with large protuberances would not have been worn in battle due to the impediment to their wearer. However, impractical adornments have been worn on battlefields throughout history.
In pre-Meiji Restoration Japan, some Samurai armor incorporated a horned, plumed or crested helmet. These horns, used to identify military commanders on the battlefield, could be cast from metal, or made from genuine water buffalo horns.
Popular association with Vikings
Popular culture has come to associate horned helmets strongly with Viking warriors. However, there is no evidence that Viking helmets did in fact have horns. The depiction of this horned helmet as historically accurate has been an ongoing falsity beginning in the 1870s. The horned helmets conception was part of the construction of great Norse myths to be adopted by Germans, who needed their own ancestral myths. 
The depiction of Vikings in horned helmets was an invention of 19th-century Romanticist Viking revival. In 1876, Carl Emil Doepler created horned helmets for the first Bayreuth Festival production of Wagner's Der Ring des Nibelungen, which has been credited with inspiring this, even though the opera was set in Germany, not Scandinavia. A few earlier, lesser known depictions that inspired Doepler however do exist.
A 20th-century example is the Minnesota Vikings American football team, which as its logo carries a horn on each side of the helmet. The comic strip character Hägar the Horrible and all male Vikings in the animated TV series Vicky the Viking are always depicted wearing horned helmets. Another pop culture depiction is the riff on Wagners Der Ring de Nibelungen by Merrie Melodies in the carton Whats Opera Doc? which depicts Elmer Fudd wearing a magical horned viking helmet as he chases Bugs Bunny.
- Veksøhjelmene from historiefaget.dk
- "Horned helmet". Explore / highlights. British Museum. Archived from the original on May 27, 2013. Retrieved 2013-02-17.
- Speidel, Michael (2004). Ancient Germanic warriors: warrior styles from Trajan's column to Icelandic sagas. Routledge. p. 47. ISBN 0-415-31199-3.
- R. Bruce-Mitford, The Sutton Hoo Ship-Burial: A Handbook 2nd ed., London 1972, fig. 9 p. 30.
- H.R. Ellis Davidson, Pagan Scandinavia London 1967, pl. 41.
- S.C. Hawkes, H.R.E. Davidson, C. Hawkes, "The Finglesham man," Antiquity 39 1965:17-32), pp 27-30.
- Jacqueline Simpson, "'Wændel' and the Long Man of Wilmington" Folklore 90.1 (1979:25-28), noting that J.B. Sidgewick had related the Long Man to the Torslunda plate in 1939, before Anglo-Saxon and Swedish connections had been fully demonstrated (Sidgewick, "The mystery of the Long Man", Sussex County Magazine 13 [1939:408-20]).
- "Odin from Levide - Medieval Histories". medievalhistories.com. 12 June 2014. Retrieved 19 April 2018.
- See the depiction of Wolfram von Eschenbach and others in the Codex Manesse.
- "Did Vikings wear horned helmets?". The Economist explains. The Economist. February 15, 2013. Retrieved 2013-02-17.
Unfortunately, few Viking helmets survive intact. The small sample size cannot prove the point definitively, but they are all horn-free....Where there were gaps in the historical record, artists often used their imagination to reinvent traditions. Painters began to show Vikings with horned helmets, evidently inspired by Wagner's costume designer, Professor Carl Emil Doepler, who created horned helmets for use in the first Bayreuth production of "Der Ring des Nibelungen" in 1876
- "Did Vikings really wear horns on their helmets?". The Straight Dope. 2004-12-07. Retrieved 2008-11-01.
- Frank, Roberta (2000). "The Invention of the Viking Horned Helmet". International Scandinavian and Medieval Studies in Memory of Gerd Wolfgang Weber: 199–208 – via JSTOR.
- Holman, Katherine (2003). Historical Dictionary of the Vikings. Oxford: The Scarecrow Press, Inc. ISBN 0-8108-4859-7.
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