
A military order () is a
Christian
A Christian () is a person who follows or adheres to Christianity, a Monotheism, monotheistic Abrahamic religion based on the life and teachings of Jesus in Christianity, Jesus Christ. Christians form the largest religious community in the wo ...
religious society of
knights
A knight is a person granted an honorary title of a knighthood by a head of state (including the pope) or representative for service to the monarch, the church, or the country, especially in a military capacity.
The concept of a knighthood ...
. The original military orders were the
Knights Templar
The Poor Fellow-Soldiers of Christ and of the Temple of Solomon, mainly known as the Knights Templar, was a Military order (religious society), military order of the Catholic Church, Catholic faith, and one of the most important military ord ...
, the
Knights Hospitaller
The Order of Knights of the Hospital of Saint John of Jerusalem, commonly known as the Knights Hospitaller (), is a Catholic military order. It was founded in the crusader Kingdom of Jerusalem in the 12th century and had headquarters there ...
, the
Order of the Holy Sepulchre, the
Order of Saint James, the
Order of Calatrava
The Order of Calatrava (, ) was one of the Spanish military orders, four Spanish military orders and the first Military order (society), military order founded in Kingdom of Castile, Castile, but the second to receive papal approval. The papal bu ...
, and the
Teutonic Knights
The Teutonic Order is a Catholic religious institution founded as a military society in Acre, Kingdom of Jerusalem. The Order of Brothers of the German House of Saint Mary in Jerusalem was formed to aid Christians on their pilgrimages to t ...
. They arose in the
Middle Ages
In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of global history. It began with the fall of the Western Roman Empire and ...
in association with the
Crusades
The Crusades were a series of religious wars initiated, supported, and at times directed by the Papacy during the Middle Ages. The most prominent of these were the campaigns to the Holy Land aimed at reclaiming Jerusalem and its surrounding t ...
- in the
Holy Land
The term "Holy Land" is used to collectively denote areas of the Southern Levant that hold great significance in the Abrahamic religions, primarily because of their association with people and events featured in the Bible. It is traditionall ...
, the
Baltics
The Baltic states or the Baltic countries is a geopolitical term encompassing Estonia, Latvia, and Lithuania. All three countries are members of NATO, the European Union, the Eurozone, and the OECD. The three sovereign states on the eastern co ...
, and the
Iberian peninsula
The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, comprisin ...
; their members being initially dedicated to the protection of
Christian
A Christian () is a person who follows or adheres to Christianity, a Monotheism, monotheistic Abrahamic religion based on the life and teachings of Jesus in Christianity, Jesus Christ. Christians form the largest religious community in the wo ...
pilgrim
The asterisk ( ), from Late Latin , from Ancient Greek , , "little star", is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star.
Computer scientists and mathematicians often vocalize it as ...
s, and eventually to the defence of the
Crusader states
The Crusader states, or Outremer, were four Catholic polities established in the Levant region and southeastern Anatolia from 1098 to 1291. Following the principles of feudalism, the foundation for these polities was laid by the First Crusade ...
and the conquest of non-Christian or even non-
Catholic
The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
lands. They are the predecessors of
chivalric orders.
Most members of military orders were
laymen
In religious organizations, the laity () — individually a layperson, layman or laywoman — consists of all members who are not part of the clergy, usually including any non-ordained members of religious orders, e.g. a nun or a lay brother.
...
who took
religious vows
Religious vows are the public vows made by the members of religious communities pertaining to their conduct, practices, and views.
In the Buddhist tradition, in particular within the Mahayana and Vajrayana traditions, many different kinds of r ...
, such as of
poverty, chastity, and obedience, according to
monastic
Monasticism (; ), also called monachism or monkhood, is a religious way of life in which one renounces worldly pursuits to devote oneself fully to spiritual activities. Monastic life plays an important role in many Christian churches, especially ...
ideals. The orders owned houses called
commanderies all across Europe and had a hierarchical structure of leadership with the
grand master at the top.
The Knights Templar, the largest and most influential of the military orders, was suppressed in the early fourteenth century; only a handful of orders were established and recognized afterwards. However, some persisted longer in their original functions, such as the
Sovereign Military Order of Malta
The Sovereign Military Order of Malta (SMOM), officially the Sovereign Military Hospitaller Order of Saint John of Jerusalem, of Rhodes and of Malta, and commonly known as the Order of Malta or the Knights of Malta, is a Catholic lay religious ...
and the
Order of Saint John, the respective Catholic and Protestant successors of the Knights Hospitaller,
alongside the
Order of the Holy Sepulchre, which remains active under the Pope's sovereignty. Those military orders that survive today have evolved into purely honorific or ceremonial orders or else into charitable foundations.
History

In 1053, for the
Battle of Civitate
The Battle of Civitate was fought on 18 June 1053 in southern Italy, between the Normans, led by the Count of Apulia Humphrey of Hauteville, and a Swabian-Italian- Lombard army, organised by Pope Leo IX and led on the battlefield by Gerard, Duk ...
, the Knights of Saint Peter () was founded as a
militia
A militia ( ) is a military or paramilitary force that comprises civilian members, as opposed to a professional standing army of regular, full-time military personnel. Militias may be raised in times of need to support regular troops or se ...
by
Pope Leo IX
Pope Leo IX (, , 21 June 1002 – 19 April 1054), born Bruno von Egisheim-Dagsburg, was the head of the Catholic Church and ruler of the Papal States from 12 February 1049 to his death in 1054. Leo IX is considered to be one of the most historica ...
to counter the
Normans
The Normans (Norman language, Norman: ''Normaunds''; ; ) were a population arising in the medieval Duchy of Normandy from the intermingling between Norsemen, Norse Viking settlers and locals of West Francia. The Norse settlements in West Franc ...
.
In response to the
Islamic conquests of the former
Byzantine Empire
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived History of the Roman Empire, the events that caused the ...
, numerous Catholic military orders were set up following the
First Crusade
The First Crusade (1096–1099) was the first of a series of religious wars, or Crusades, initiated, supported and at times directed by the Latin Church in the Middle Ages. The objective was the recovery of the Holy Land from Muslim conquest ...
. The founding of such orders suited the Catholic church's plan of channeling the devotion of the European
nobility
Nobility is a social class found in many societies that have an aristocracy. It is normally appointed by and ranked immediately below royalty. Nobility has often been an estate of the realm with many exclusive functions and characteristics. T ...
toward achieving the Church's temporal goals, and it also complemented the
Peace and Truce of God
The Peace and Truce of God () was a movement in the Middle Ages led by the Catholic Church and was one of the most influential mass peace movements in history. The goal of both the ''Pax Dei'' and the ''Treuga Dei'' was to limit the violence o ...
.
The foundation of the
Knights Templar
The Poor Fellow-Soldiers of Christ and of the Temple of Solomon, mainly known as the Knights Templar, was a Military order (religious society), military order of the Catholic Church, Catholic faith, and one of the most important military ord ...
in 1118 provided the first in a series of tightly organized military forces for the purpose of opposing
Islamic conquests in the
Holy Land
The term "Holy Land" is used to collectively denote areas of the Southern Levant that hold great significance in the Abrahamic religions, primarily because of their association with people and events featured in the Bible. It is traditionall ...
and in the
Iberian Peninsula
The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, comprisin ...
— see the
Reconquista
The ''Reconquista'' (Spanish language, Spanish and Portuguese language, Portuguese for ) or the fall of al-Andalus was a series of military and cultural campaigns that European Christian Reconquista#Northern Christian realms, kingdoms waged ag ...
— as well as Islamic invaders and
pagan
Paganism (, later 'civilian') is a term first used in the fourth century by early Christians for people in the Roman Empire who practiced polytheism, or ethnic religions other than Christianity, Judaism, and Samaritanism. In the time of the ...
tribes in
Eastern Europe
Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural and socio-economic connotations. Its eastern boundary is marked by the Ural Mountain ...
which were perceived as threats to the Church's supremacy.
The first secularized military order was the
Order of Saint George
The Order of Saint George () is the highest military decoration of the Russian Federation. It was originally established on 26 November 1769 Julian (7 December 1769 Gregorian) as the highest military decoration of the Russian Empire for commiss ...
, founded in 1326 by King
Charles I of Hungary
Charles I, also known as Charles Robert (; ; ; 128816 July 1342), was King of Hungary and Croatia in the union with Hungary, Croatia from 1308 to his death. He was a member of the Capetian House of Anjou and the only son of Charles Martel of A ...
, through which he made all the
Hungarian nobility
The Kingdom of Hungary held a Nobility, noble class of individuals, most of whom owned landed property, from the 11th century until the mid-20th century. Initially, a diverse body of people were described as noblemen, but from the lat ...
swear loyalty to him. Shortly thereafter, the Order of the "
Knights of the Band" was founded in 1332 by King
Alfonso XI of Castile
Alfonso XI (11 August 131126 March 1350), called the Avenger (''el Justiciero''), was King of Castile and León. He was the son of Ferdinand IV of Castile and his wife Constance of Portugal. Upon his father's death in 1312, several disputes ...
. Both orders existed only for about a century.
Purpose
The original features of the military orders were the combination of
religious
Religion is a range of social- cultural systems, including designated behaviors and practices, morals, beliefs, worldviews, texts, sanctified places, prophecies, ethics, or organizations, that generally relate humanity to supernatural ...
and military ways of life. Some of them, like the
Knights Hospitaller
The Order of Knights of the Hospital of Saint John of Jerusalem, commonly known as the Knights Hospitaller (), is a Catholic military order. It was founded in the crusader Kingdom of Jerusalem in the 12th century and had headquarters there ...
, the
Knights of Saint Thomas, and the
Order of Saints Maurice and Lazarus
The Order of Saints Maurice and Lazarus () (abbreviated OSSML) is a Roman Catholic dynastic order of knighthood bestowed by the royal House of Savoy. It is the second-oldest order of knighthood in the world, tracing its lineage to AD 1098, a ...
also had charitable purposes and cared for the sick and poor. However, they were not purely male institutions, as
nuns
A nun is a woman who vows to dedicate her life to religious service and contemplation, typically living under vows of Evangelical counsels, poverty, chastity, and obedience in the Enclosed religious orders, enclosure of a monastery or convent.' ...
could attach themselves as
convents of the orders. One significant feature of the military orders was that
clerical brothers could be subordinate to non-ordained brethren.
In 1818, orientalist
Joseph von Hammer compared the Catholic military orders, in particular the
Knights Templar
The Poor Fellow-Soldiers of Christ and of the Temple of Solomon, mainly known as the Knights Templar, was a Military order (religious society), military order of the Catholic Church, Catholic faith, and one of the most important military ord ...
, to certain Islamic models such as the
Muslim
Muslims () are people who adhere to Islam, a Monotheism, monotheistic religion belonging to the Abrahamic religions, Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God ...
sect of
Assassins. In 1820,
José Antonio Conde suggested they were modeled on the
ribat
A ribāṭ (; hospice, hostel, base or retreat) is an Arabic term, initially designating a small fortification built along a frontier during the first years of the Muslim conquest of the Maghreb to house military volunteers, called ''murabitun' ...
, a fortified religious institution which brought together a religious or hospital way of life with fighting the enemies of Islam. However popular such views may have become, others have criticized this view, suggesting there were no such ribats around
Outremer
The Crusader states, or Outremer, were four Catholic polities established in the Levant region and southeastern Anatolia from 1098 to 1291. Following the principles of feudalism, the foundation for these polities was laid by the First Crusade ...
until after the military orders had been founded.
The role and function of the military orders extended beyond their military exploits in the
Holy Land
The term "Holy Land" is used to collectively denote areas of the Southern Levant that hold great significance in the Abrahamic religions, primarily because of their association with people and events featured in the Bible. It is traditionall ...
,
Prussia
Prussia (; ; Old Prussian: ''Prūsija'') was a Germans, German state centred on the North European Plain that originated from the 1525 secularization of the Prussia (region), Prussian part of the State of the Teutonic Order. For centuries, ...
, and the Baltics. In fact, they had extensive holdings and staff throughout Western Europe. The majority were laymen. They provided a conduit for cultural and technical innovation, such as the introduction of
fulling
Fulling, also known as tucking or walking ( Scots: ''waukin'', hence often spelt waulking in Scottish English), is a step in woollen clothmaking which involves the cleansing of woven cloth (particularly wool) to eliminate ( lanolin) oils, ...
into England by the Knights Hospitaller, and the banking facilities of the Knights Templar.
Northern crusades

In 1147 Bernard of Clairvaux persuaded Pope Eugenius III that the Germans' and Danes' conflict with the pagan
Wends
Wends is a historical name for Slavs who inhabited present-day northeast Germany. It refers not to a homogeneous people, but to various people, tribes or groups depending on where and when it was used. In the modern day, communities identifying ...
was a holy war analogous to the Reconquista; he urged a crusade until all heathens were baptised or killed. The new crusaders' motivation was primarily economic: the acquisition of new arable lands and serfs; the control of Baltic trade routes; and the abolishment of the
Novgorodian merchants' monopoly of the fur trade. From the early 13thcentury the military orders provided garrisons in
Old Livonia and defended the German commercial centre,
Riga
Riga ( ) is the capital, Primate city, primate, and List of cities and towns in Latvia, largest city of Latvia. Home to 591,882 inhabitants (as of 2025), the city accounts for a third of Latvia's total population. The population of Riga Planni ...
. The
Livonian Brothers of the Sword
The Livonian Brothers of the Sword (; ) was a Catholic Church, Catholic Military order (monastic society), military order established in 1202 during the Livonian Crusade by Albert of Riga, Albert, the third bishop of Riga (or possibly by Theode ...
and the
Order of Dobrzyń were established by local bishops. The Sword Brothers were notorious for cruelty to "
pagans" and converts alike. The Teutonic Knights were founded during the 1190s in Palestine, but their strong links to Germany diverted efforts from the Holy Land to the Baltic. Between 1229 and 1290, the Teutonic Knights absorbed both the Brothers of the Sword and the Order of Dobrzyń, subjugated most of the Baltic tribes and established a ruthless and exploitative
monastic state. The Knights invited foreign nobility to join their regular ''Reisen'', or raids, against the last unconquered Baltic people, the
Lithuanians
Lithuanians () are a Balts, Baltic ethnic group. They are native to Lithuania, where they number around 2,378,118 people. Another two million make up the Lithuanian diaspora, largely found in countries such as the Lithuanian Americans, United Sta ...
. These were fashionable events of chivalric entertainment among young aristocrats.
Jogaila,
Grand Duke of Lithuania
This is a list of Lithuanian monarchs who ruled Lithuania from its inception until the fall of the Grand Duchy of Lithuania in 1795. The Lithuanian monarch bore the title of Grand duke, Grand Duke, with the exception of Mindaugas, who was crown ...
, converted to Catholicism and married Queen
Jadwiga of Poland
Jadwiga (; 1373 or 137417 July 1399), also known as Hedwig (from German) and in , was the first woman to be crowned as monarch of the Kingdom of Poland. She reigned from 16 October 1384 until her death. Born in Buda, she was the youngest daught ...
resulting in a united Polish–Lithuanian army routing the Knights at
Tannenberg in 1410. The Knights' state survived,
from 1466 under Polish suzerainty. Prussia was transformed into a
secular duchy in 1525, and
Livonia in 1562.
List of military orders
These are military orders listed chronologically according to their dates of foundation and extinction, sometimes approximate due to scarce sources, and/or repeated suppressions by Papal or royal authorities. Presently active institutions are listed in consideration with their legitimacy according to the
International Commission on Orders of Chivalry.
They are divided into international and national according to their adherence, mission, and enrollment, disregarding the extent of eventual gradual geographical distribution outside of their region of concern.
International
National
Other
Chivalric and/or military orders that could qualify depending on definition.
*
Confraternity of Belchite, "experimental" confraternity of knights founded in 1122 by King
Alfonso the Battler
Alfonso I (7 September 1134), called the Battler or the Warrior (), was King of Aragon and Kingdom of Navarre, Navarre from 1104 until his death in 1134. He was the second son of King Sancho Ramírez and successor of his brother Peter I of Arago ...
of Aragon
*
Order of Saint Blaise, founded in the 12th century in
Armenia
Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...
to defend the country against the attacks of the
Muslims
Muslims () are people who adhere to Islam, a Monotheism, monotheistic religion belonging to the Abrahamic religions, Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God ...
*
Knights of the Band, early honorific military order founded c. 1330 by King
Alfonso XI of Castile
Alfonso XI (11 August 131126 March 1350), called the Avenger (''el Justiciero''), was King of Castile and León. He was the son of Ferdinand IV of Castile and his wife Constance of Portugal. Upon his father's death in 1312, several disputes ...
*
Supreme Order of the Most Holy Annunciation
The Supreme Order of the Most Holy Annunciation () is a Catholic order of chivalry, originating in County of Savoy, Savoy. It eventually was the pinnacle of the Orders, decorations, and medals of Italy#The Kingdom of Italy, honours system in the ...
, military order founded in 1350 by
Duke
Duke is a male title either of a monarch ruling over a duchy, or of a member of Royal family, royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and above sovereign princes. As royalty or nobi ...
Amadeus VI, Count of Savoy, the first called the ''Order of the True Lover's Knots'' in memory of a bracelet of hair presented to the founder by a lady, but upon the election of
Amadeus VIII to the
pontificate in 1439, it changed its name for that of the ''Annunciation of angel
Gabriel
In the Abrahamic religions (Judaism, Christianity, Islam), Gabriel ( ) is an archangel with the power to announce God's will to mankind, as the messenger of God. He is mentioned in the Hebrew Bible, the New Testament and the Quran. Many Chris ...
''
*
Order of the Dove, short-lived (one year) and controversial order founded in 1379 by King
Juan I of Castile
*
Order of Saint Anthony (Bavaria),
Bavaria
Bavaria, officially the Free State of Bavaria, is a States of Germany, state in the southeast of Germany. With an area of , it is the list of German states by area, largest German state by land area, comprising approximately 1/5 of the total l ...
n military order founded in 1382 by Duke
Albert I, Duke of Bavaria
*
Military Order of Cross-bearers with the Red Star on a Blue Field,
hospitaller and/military order active from the 12th century until suppressed in 1656 by
Pope Alexander VII
Pope Alexander VII (; 13 February 159922 May 1667), born Fabio Chigi, was head of the Catholic Church and ruler of the Papal States from 7 April 1655 to his death, in May 1667.
He began his career as a vice- papal legate, and he held various d ...
.
*
Order of Saint Hubert, early honorific military order founded in 1444 or 1445 by
Gerhard VII, Duke of Jülich-Berg
*
Blood of Jesus Christ (military order), founded in
Mantua
Mantua ( ; ; Lombard language, Lombard and ) is a ''comune'' (municipality) in the Italian region of Lombardy, and capital of the Province of Mantua, eponymous province.
In 2016, Mantua was designated as the "Italian Capital of Culture". In 2 ...
,
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
, by
Vincenzo I Gonzaga, Duke of Mantua
Vincenzo Ι Gonzaga (21 September 1562 – 9 February 1612) was the ruler of the Duchy of Mantua and the Duchy of Montferrat from 1587 to 1612.
Biography
Born 21 September 1562, Vincenzo was the only son of Guglielmo Gonzaga, Duke of Mantua, an ...
, approved on 25 May 1608 by
Pope Paul V
Pope Paul V (; ) (17 September 1552 – 28 January 1621), born Camillo Borghese, was head of the Catholic Church and ruler of the Papal States from 16 May 1605 to his death, in January 1621. In 1611, he honored Galileo Galilei as a mem ...
* , founded in 1261 by King
Ferdinand III of Castile
Ferdinand III (; 1199/120130 May 1252), called the Saint (''el Santo''), was King of Castile from 1217 and King of León from 1230 as well as King of Galicia from 1231. He was the son of Alfonso IX of León and Berengaria of Castile. Through his ...
*
Order of the Hatchet female spanish military order during the middle ages.
Modern development
A few of the institutions survived into honorific and/or charitable organizations, including the
papal orders of knighthood.
While other contemporary Catholic societies may share some military organizational features and ideology, such as the
Society of Jesus
The Society of Jesus (; abbreviation: S.J. or SJ), also known as the Jesuit Order or the Jesuits ( ; ), is a religious order of clerics regular of pontifical right for men in the Catholic Church headquartered in Rome. It was founded in 1540 ...
,
[Harro Höpfl (2004), Jesuit Political Thought: The Society of Jesus and the State, c. 1540–1630, Cambridge; p. 25] they differ from the medieval military orders in the absence of military purposes or potential.
Modern orders may still be founded explicitly as a military order; the Military Order of Loyalty () was founded in 1946 by the
Spanish protectorate in Morocco
The Spanish protectorate in Morocco was established on 27 November 1912 by a treaty between France and Spain that converted the Spanish sphere of influence in Morocco into a formal protectorate.
The Spanish protectorate consisted of a norther ...
. Awarded to both Spanish and Moroccan
military officers and
soldiers, the single-class order was abolished in 1956.
See also
*
Spanish knights orders
*
Chivalric order
An order of chivalry, order of knighthood, chivalric order, or equestrian order is a society, fellowship and college of knights, typically founded during or inspired by the original Catholic military orders of the Crusades ( 1099–1291) and pai ...
*
Order (honour)
An order is a visible honour awarded by a sovereign state, monarch, dynastic house or organisation to a person, typically in recognition of individual merit, that often comes with distinctive insignia such as collars, medals, badges, and sas ...
*
Warrior monk
A warrior monk is a concept found in various cultures of a person who combines aspects of being a monk, such as deep religious devotion and an ascetic lifestyle, with being a warrior, trained to engage in violent conflict.
Examples include:
* ...
*
Military in Vatican City
References
Bibliography
*
* Nicholson, Helen J. ''The Knights Hospitaller'' (2001).
* Riley-Smith, Jonathan. ''Hospitallers: The History of the Order of St John'' (1999).
* Morten, Nicholas Edward. ''The Teutonic Knights in the Holy Land 1190-1291'' (Woodbridge: Boydell Press, 2009)
*Forey, Alan John. ''The Military Orders: From the Twelfth to the Early Fourteenth Centuries''. *(Basingstoke: Macmillan Education, 1992)
*
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Military units and formations of the Middle Ages