~2025-31314-14 at 04:02, 6 November 2025

2025-11-06T04:02:00Z

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{{short description|Cocked hat with two sides of the brim turned up against the crown}}
{{for-multi|the mythical beast|Bicorn and Chichevache|the geometric curve|Bicorn}}

{{more citations needed|date=October 2016}}
[[File:Man's Bicorne LACMA M.2010.33.1 (1 of 4).jpg|thumb|250px|Early bicorne from France, c. 1790]]

The '''bicorne''' or '''bicorn''' (two-cornered) is a historical form of hat widely adopted in the 1790s as an item of uniform by European and American army and naval [[officer (armed forces)|officers]]. Most [[general officer|general]]s and staff officers of the [[Napoleonic period]] wore bicornes, which survived as widely-worn full-dress headdress until the 20th century.

==Historic use==
{{multiple image
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| image1 = Napoleon Wagram Chabord 1810 (Detail).jpg
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| image2 = Alfred von Tirpitz-2.jpg
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| footer = [[Napoléon Bonaparte]] in his characteristic side-to-side bicorne hat (left); Grand Admiral [[Alfred von Tirpitz]] wearing a fore-and-aft bicorne
(right)}}

Descended from the [[tricorne]], the black-coloured bicorne originally had a rather broad brim, with the front and the rear halves turned up and pinned together forming a semi-circular fan shape; there was usually a [[cockade]] in the [[national colours]] at the front. Later, the hat became more triangular in shape, with its two ends becoming more pointed, and it was worn with the cockade at the right side. That kind of bicorne eventually became known in English as the ''cocked hat'', but it is still known in French as the ''bicorne''.

Worn in the side-to-side athwart style during the 1790s, the bicorne became normally seen fore-and-aft in most armies and navies from 1800. The change in style coincided with the flattening out of the pronounced front peak of the original headdress. The [[French gendarmerie]] continued to wear their bicornes in the classic side-to-side fashion until about 1904, and the Italian [[Carabinieri]] still do so in their modern full dress.

Some forms of bicorne were designed to be folded flat so that they could be conveniently tucked under the arm when they were not being worn. A bicorne of such a style is also known as a ''chapeau-bras'' or ''chapeau-de-bras''.

The bicorne was widely worn until World War I as part of the full dress of officers of most of the world's navies. It survived to a more limited extent between the wars for wear by senior officers in the British, French, US, Japanese and other navies until World War II but has now almost disappeared in that context.

It was also worn during the 19th and the early 20th centuries by civilian officials in European monarchies and Japan when required to wear uniforms on formal occasions. The practice generally ceased after World War I except in the context of [[diplomatic uniform]]. British [[colonial governor]]s in temperate climates and governors general in some countries of the [[Commonwealth of Nations|Commonwealth]] (notably Australia, Canada and New Zealand) continued to wear bicornes with ceremonial dress until the second half of the 20th century.

== Cocked hat ==
[[File:Constable Dannatt.jpg|thumb|left|British Army cocked hat with General officer's plume, worn by [[Lord Dannatt]] ([[Constable of the Tower]])]]
By the 20th century, the term ''cocked hat'' had come to be used more often than not in official British usage (uniform regulations etc.) with reference to that shape of hat (particularly when worn as part of a uniform),<ref>E.g. ''Dress worn at Court'', 1898ff, Lord Chamberlain's Office.</ref> but in the rare instances that hats were directed to be worn side-to-side ('athwarts') rather than front-to-back, such as by footmen in full state livery, the term ''bicorn'' tended to be preferred.

In its most commonly-seen form at the time, the cocked hat was pinned up at two sides to form a hump-back bridge shape and was worn perpendicular to the shoulders, with the front end above the face and the back end over the nape. A cockade in the national colours might be worn at the right side (French tradition), and a plume might be attached to the top (British military c. 1800). Cocked hats were often trimmed with gold or silver bullion lace and tassels. Naval officers wore them without further decorations, but those worn by military and civilian officials might be lavishly decorated with coloured ostrich or swan feathers.

The cocked hat still remains the "Full Dress headdress of General and Staff Officers and certain others" and is worn in public by certain office-holders such as the [[Major-General commanding the Household Division]], [[Gold Stick and Silver Stick]] and the [[Constable of the Tower]].<ref>{{Cite web |url=https://www.army.mod.uk/documents/general/Rifles_Dress_Guidance__2012_Srl_7.pdf |title=The Rifles Dress Guidance |access-date=2021-05-17 |archive-date=2012-10-12 |archive-url=https://web.archive.org/web/20121012151751/http://www.army.mod.uk/documents/general/Rifles_Dress_Guidance__2012_Srl_7.pdf |url-status=dead }}</ref>

== Current use ==
[[Image:Bicorne hat Ecole Polytechnique.jpg|thumb|195px|The full-dress uniform of [[École Polytechnique]] of [[France]] comprises black trousers with a red stripe, a coat with golden buttons and a belt, and a cocked hat (officially called a ''bicorne'').]]
[[File:Didier Burkhalter mit Weibel in Saignelégier.JPG|thumb|195px|A [[Huissier|state usher]] accompanying a [[Federal Council (Switzerland)|federal councillor]] in [[Switzerland]]]]
[[File:Roadside assistance (4699985401).jpg|thumb|195px|right|Veterinary Officer of the UK Household Cavalry wearing her distinctive red-plumed cocked hat in place of the usual [[Albert helmet|helmet]] (2010)]]

Members of the [[Académie française]] wear the ''habit vert'' (green habit) at the Académie's ceremonies. The habit includes a black jacket and a ''bicorne'' in the cocked-hat style, each embroidered in green.

Students at the [[École Polytechnique]] wear a bicorne as part of their ''Grand Uniforme'' (GU). Female students used to wear a [[tricorne|tricorne hat]] but now also wear a bicorne. The bicorne also formed part of the historic black and red full dress of cadets at the French Military Medical School (''[[École de santé des armées|École de Santé des Armées]]'') until this uniform was withdrawn in 1971, except for limited use on special occasions. The bicorne is still worn by the members of the [[Cadre Noir]] in full dress uniform.

The uniform of the horsemen of the [[Spanish Riding School of Vienna]] includes a bicorne.

[[Diplomatic uniform]]s, worn on such occasions as the presentation of credentials by [[ambassador]]s, normally included bicornes worn with feathers and gold or silver braiding. Until World War II such uniforms were worn by even junior embassy staff but now survive only for ambassadors in a few long-established [[diplomatic service]]s such as those of Britain, France, Sweden, Belgium and Spain.

In the United Kingdom cocked hats continue to be worn by certain office-holders on special occasions:
*On occasions in Parliament when the King is represented by [[Lords Commissioners]] (e.g. at [[legislative session#Procedure in Commonwealth realms|Prorogation]]) the Lords Commissioners wear plain black bicorne hats with their parliamentary robes (except the [[Lord Chancellor]] who, if present, wears his tricorne).
*At the annual [[Trooping the Colour]] in London, the [[Major-General commanding the Household Division]] wears [[British Army uniform#Full dress|full dress]] uniform (as does his chief of staff) consisting of a scarlet tunic and a cocked hat with swan-feather plume. Similar hats with distinctive upright plumes are worn by the [[Equerry|Equerries]] on this and other State occasions.
*Senior officers holding certain royal or special appointments also wear cocked hats (e.g. officers of the [[Royal Hospital Chelsea]], officers of the [[Yeomen of the Guard]], etc.).
*In most British regiments prior to 1914, certain Regimental Staff officers in full-dress uniform wore cocked hats in place of the usual regimental headdress. Since then, the use of full dress has been largely restricted to the [[Household Division]], which maintains the tradition: [[Quartermaster#British Army|quartermasters]] wear cocked hats with a feather of regimental colour, whilst Veterinary Officers and Medical Officers wear cocked hats with a red feather plume and black feather plume respectively.
*Commissioners of the [[Metropolitan Police Service]] and [[City of London Police]] in full dress uniform.<ref>{{cite book |last=Mansfield |first=Alan D |date=1980 |title=Ceremonial Costume: Court, Civil, and Civic Costume from 1660 to the Present Day |url=https://archive.org/details/ceremonialcostum0000mans/page/232 |publisher=Barnes & Noble Books |page=[https://archive.org/details/ceremonialcostum0000mans/page/232 232] |isbn=978-0389201243 }}</ref>
*[[Governor#United Kingdom overseas territories|Governors of United Kingdom overseas territories]] may wear a cocked hat with white swan-feather plume, or in tropical territories, a plumed [[pith helmet]]. Usage has declined since a 2001 decision by [[HM Treasury]] that the overseas territorial government concerned would be responsible for meeting the cost of their governor's optional ceremonial uniforms.<ref>{{cite web |url=http://sainthelenaisland.info/governorshat.htm |title=The Governor's Hat |author= |website=sainthelenaisland.info |publisher=Saint Helena Info |access-date=12 March 2018}}</ref>
*A cocked hat is still sometimes seen as part of [[Court uniform and dress in the United Kingdom]].

In the [[Knights of Columbus]], Fourth Degree Knights of the Color Corps wore regalia which included a chivalric [[chapeau]]. The color of the plume denoted the office held by the wearer. A new uniform with a beret replacing the cocked hat was announced in 2017 and the old uniform gradually phased out over the following several years.<ref>{{cite news |last=Conlon |first=Mickey |agency=Catholic News Service |date=7 August 2019 |title=Knights of Columbus get new look after 79 years |url=https://etcatholic.org/2019/08/knights-of-columbus-get-new-look-after-79-years/ |work=The East Tennessee Catholic |location= |publisher=Diocese of Knoxville |access-date=31 October 2025}}<br/>{{cite news |author= |date=19 June 2019 |title=Local Knights Of Columbus Unhappy With New US-Military Style Uniform |url=https://vocm.com/2019/06/19/local-knights-of-columbus-unhappy-with-new-us-military-style-uniform/ |work=VOCM |location=St. John, Newfoundland and Labrador |publisher=Stingray Group |access-date=31 October 2025}}</ref>

The Italian [[Carabinieri]] wear a bicorn with points sideways with their full dress uniform. The large tricolor cockade in front has given it the popular name of la "lucerna", the "lamp".

In [[Java]], cocked hat is still used as a part of Dhaeng and Ketanggung brigades' parade uniform from the [[Yogyakarta Sultanate]]. Since the end of the [[Java War]], and as a result of some drastic reductions in the period before and after the war, they no longer have combat capability as a fighting troops in general. Known in Javanese as ''{{lang|jv|mancungan}}'' hat, because of its shape like a pointed nose, ''{{lang|jv|mancung}}'', the ''mancungan'' only appears on special occasions, such as Grebeg and other cultural or ceremonial events held by the [[kraton (Indonesia)|kraton]] (palace). The headgear came as a part of Western influence in Yogyakarta during the reign of [[Sultan]] [[Hamengkubuwana IV]].

The uniform of a [[Field marshal]] of the [[Imperial Ethiopian Army]], which was used during the early 20th century by Emperor [[Haile Selassie]], had a Bicorne which was specially adorned with a golden lion's mane.<ref>{{Cite web |last=Observer |first=Ethiopia |date=2022-09-09 |title=Prince Asfa-Wossen Asserate recalls Queen Elizabeth II's Ethiopia visit |url=https://www.ethiopiaobserver.com/2022/09/09/prince-asfa-wossen-asserate-recalls-queen-elizabeth-iis-ethiopia-visit/ |access-date=2023-05-21 |website=Ethiopia Observer |language=en-US}}</ref>

== Gallery ==
<gallery widths="200px" heights="200px">
File:George-III-by-Johan-Joseph-Zoffany.jpg|''[[Portrait of George III (Zoffany)|Portrait of King George III]]'' with a bicorne hat on the table, [[Johan Zoffany]], 1771.
Image:Man's Walking Stick LACMA M.2007.211.831.jpg|French suit from 1790 to 1795 with a bicorne hat.
Image:HoratioNelson1.jpg|[[Horatio Nelson]] with his bicorn hat (complete with jewelled [[chelengk]] decoration) in 1799.
Image:Napoleon at the Great St. Bernard - Jacques-Louis David - Google Cultural Institute.jpg|''[[Napoleon Crossing the Alps]]'' at the [[Great St Bernard Pass]] (1800) by [[Jacques-Louis David]].
File:Postcards by Elizaveta Bem by Richard - 040.jpg|''Napoleon (The Enemy was terrible but God is merciful)'' by [[Elisabeth Bohm]] (1914 or earlier).
Image:Almack's Longitude and Latitude.jpg|1813 cartoon showing men with collapsible bicornes tucked under their arms.
Image:The Duke of Wellington on Copenhagen (1818) by Thomas Lawrence.jpg|The [[Arthur Wellesley, 1st Duke of Wellington|Duke of Wellington]] astride [[Copenhagen (horse)|Copenhagen]], holding his bicorn hat (1818)
Image:Sir Edward H. Seymour 2.jpg|[[Edward Seymour (Royal Navy officer)|Sir Edward Seymour]] in 1911. Until 1956, [[Royal Navy]] officers in full-dress wore cocked hats.
File:Hermes da Fonseca (1910).jpg|Marshal [[Hermes da Fonseca]], [[President of Brazil]], wearing a bicorne, 1910.
File:International Police in Caserta, Italy, 6 May 1944 TR1770.jpg|An Italian {{lang|it|[[Carabinieri]]}} wearing bicorne (centre), alongside American (left) and British (right) military policemen, 1944.
Image:Maestoso Basowizza & Oberbereiter Hausberger.jpg|Rider wearing a bicorne at the [[Spanish Riding School]] in [[Vienna]], 2006.
Image:Military Knights of Windsor.JPG|[[Military Knights of Windsor]] wearing cocked hats, 2006.
File:Lord Mayor's Show, London 2006 (295521157).jpg|[[Light Cavalry HAC|Light Cavalry, Honourable Artillery Company]] (UK): the medical officer wears a cocked hat in place of the usual [[Busby (military headdress)|busby]], 2006.
Image:Steven Point BC.jpg|[[diplomatic uniform]] cocked hat worn by the Lieutenant [[Governor of British Columbia]], 2009.
Image:Lakeien Netherlands.JPG|Royal [[Footmen]] at [[The Hague]], Netherlands, in 2010.
File:Mounted Police, London, 2012.jpg|The Assistant Commissioner of the [[City of London Police]] in full ceremonial uniform, 2012.
File:Anne of Great Britain (1950) June 2013.jpg|[[Anne, Princess Royal]], as Colonel of the [[Blues and Royals]], at the [[Trooping the Colour]] in 2013.
File:State Opening of Parliament 2015 (17982482389).jpg|The [[Major-General commanding the Household Division]] at the [[State Opening of Parliament]] in London, 2015.
File:Remembrance Sunday 2016 (25343449129).jpg|The [[Governor of the Falkland Islands]] (centre) in 2016.
File:Prajurit Dhaheng Grebeg Besar 10 Besar 1951 Dal 8.jpg|One of the two ''lurahs'' of Dhaeng Brigade from [[Yogyakarta Sultanate]] (they both held a rank as ''panji'') during a ''Garebeg'' ceremony in 2018.
File:Queen Elizabeth II Funeral 19 09 2022-87 (52369805294).jpg|Cocked hats at the State funeral of Elizabeth II: (l-r) an Equerry, an officer of the Yeomen of the Guard and the Quartermaster of the Irish Guards.
File:Queen Elizabeth II Funeral 19 09 2022-70 (52368551137).jpg|Heralds in the state procession following the funeral of Queen Elizabeth II.
</gallery>

== See also ==
* [[List of hat styles]]
* [[List of headgear]]
* [[Le Bicorne]]
* [[Cap]]
* [[Headgear of the United States Army]]

==References==
{{Reflist}}

== External links ==
* {{Commons category-inline|Bicorne hats}}
{{Hats}}

[[Category:1790s fashion]]
[[Category:19th-century fashion]]
[[Category:20th-century fashion]]
[[Category:Military uniforms]]
[[Category:Maritime culture]]
[[Category:Military hats]]
[[Category:Napoleonic era]]
[[Category:Civil War military equipment of the United States]]

Bicorne - Revision history

~2025-31314-14 at 04:02, 6 November 2025