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A ''tercio'' (), Spanish for " third") was a military unit of the
Spanish Army The Spanish Army () is the terrestrial army of the Spanish Armed Forces responsible for land-based military operations. It is one of the oldest Standing army, active armies – dating back to the late 15th century. The Spanish Army has existed ...
during the reign of the
Catholic Monarchs of Spain The Catholic Monarchs were Queen Isabella I of Castile () and King Ferdinand II of Aragon (), whose marriage and joint rule marked the '' de facto'' unification of Spain. They were both from the House of Trastámara and were second cousins, ...
and
Habsburg Spain Habsburg Spain refers to Spain and the Hispanic Monarchy (political entity), Hispanic Monarchy, also known as the Rex Catholicissimus, Catholic Monarchy, in the period from 1516 to 1700 when it was ruled by kings from the House of Habsburg. In t ...
in the
early modern period The early modern period is a Periodization, historical period that is defined either as part of or as immediately preceding the modern period, with divisions based primarily on the history of Europe and the broader concept of modernity. There i ...
. They were the elite military units of the
Spanish monarchy The monarchy of Spain or Spanish monarchy () is the constitutional form of government of Spain. It consists of a hereditary monarch who reigns as the head of state, being the highest office of the country. The Spanish monarchy is constitu ...
and essential pieces of the powerful land forces of the
Spanish Empire The Spanish Empire, sometimes referred to as the Hispanic Monarchy (political entity), Hispanic Monarchy or the Catholic Monarchy, was a colonial empire that existed between 1492 and 1976. In conjunction with the Portuguese Empire, it ushered ...
, sometimes also fighting along with the
navy A navy, naval force, military maritime fleet, war navy, or maritime force is the military branch, branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral z ...
. The Spanish ''tercios'' were one of the finest professional infantries in the world due to the effectiveness of their battlefield formations and were a crucial step in the formation of modern European armies, made up of professional volunteers, instead of levies raised for a campaign or hired
mercenaries A mercenary is a private individual who joins an War, armed conflict for personal profit, is otherwise an outsider to the conflict, and is not a member of any other official military. Mercenaries fight for money or other forms of payment rath ...
typically used by other European countries of the time. The internal administrative organization of the ''tercios'' and their battlefield formations and tactics grew out of the innovations of
Gonzalo Fernández de Córdoba Gonzalo Fernández de Córdoba (1 September 1453 – 2 December 1515) was a Spanish general and statesman. He led military campaigns during the Conquest of Granada and the Italian Wars, after which he served as Viceroy of Naples. For his e ...
during the
conquest of Granada The Granada War was a series of military campaigns between 1482 and 1492 during the reign of the Catholic Monarchs, Isabella I of Castile and Ferdinand II of Aragon, against the Nasrid dynasty's Emirate of Granada. It ended with the defeat of G ...
and the
Italian Wars The Italian Wars were a series of conflicts fought between 1494 and 1559, mostly in the Italian Peninsula, but later expanding into Flanders, the Rhineland and Mediterranean Sea. The primary belligerents were the House of Valois, Valois kings o ...
in the 1490s and 1500s, being among the first to effectively mix pikes and firearms (
arquebus An arquebus ( ) is a form of long gun that appeared in Europe and the Ottoman Empire during the 15th century. An infantryman armed with an arquebus is called an arquebusier. The term ''arquebus'' was applied to many different forms of firearms ...
es). The ''tercios'' marked a rebirth of the use of
infantry Infantry, or infantryman are a type of soldier who specialize in ground combat, typically fighting dismounted. Historically the term was used to describe foot soldiers, i.e. those who march and fight on foot. In modern usage, the term broadl ...
forces comparable to the
Macedonian phalanx The Macedonian phalanx () was an infantry formation developed by Philip II from the classical Greek phalanx, of which the main innovation was the use of the sarissa, a 6-metre pike. It was famously commanded by Philip's son Alexander the Grea ...
es and the
Roman legions The Roman legion (, ) was the largest military unit of the Roman army, composed of Roman citizens serving as legionaries. During the Roman Republic the manipular legion comprised 4,200 infantry and 300 cavalry. After the Marian reforms in 1 ...
. Such formations distinguished themselves in famous battles such as the
Battle of Bicocca The Battle of Bicocca or La Bicocca () was fought on 27 April 1522, during the Italian War of 1521–26. A combined French and Venetian force under Odet de Foix, Vicomte de Lautrec, was decisively defeated by an Imperial– Spanish and ...
(1522) and the
Battle of Pavia The Battle of Pavia, fought on the morning of 24 February 1525, was the decisive engagement of the Italian War of 1521–1526 between the Kingdom of France and the Habsburg Empire of Charles V, Holy Roman Emperor, Charles V, Holy Roman Empero ...
(1525). Following their formal establishment in 1534, the reputation of the ''tercio'' was built upon their effective training and high proportion of "old soldiers" (''veteranos''), in conjunction with the particular elan imparted by the
lower nobility The minor or petty nobility is the lower nobility classes. Finland Petty nobility in Finland is dated at least back to the 13th century and was formed by nobles around their strategic interests. The idea was more capable peasants with leader role ...
who commanded them. The ''tercios'' were finally replaced by other regiments in the early eighteenth century. From 1920, the name of ''tercio'' was given to the formations of the newly created
Spanish Legion For centuries, Spain recruited foreign soldiers to its army, forming the foreign regiments () such as the Regiment of Hibernia (formed in 1709 from Irishmen who fled their own country in the wake of the Flight of the Earls and the Penal la ...
, professional units then created to fight colonial wars in
North Africa North Africa (sometimes Northern Africa) is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region. However, it is sometimes defined as stretching from the Atlantic shores of t ...
, similar to the
French Foreign Legion The French Foreign Legion (, also known simply as , "the Legion") is a corps of the French Army created to allow List of militaries that recruit foreigners, foreign nationals into French service. The Legion was founded in 1831 and today consis ...
. These formations were actually
regiment A regiment is a military unit. Its role and size varies markedly, depending on the country, military service, service, or administrative corps, specialisation. In Middle Ages, Medieval Europe, the term "regiment" denoted any large body of l ...
s bearing the name of ''tercio'' as an honorary title.


History

During the
Granada War The Granada War was a series of military campaigns between 1482 and 1492 during the reign of the Catholic Monarchs, Isabella I of Castile and Ferdinand II of Aragon, against the Nasrid dynasty's Emirate of Granada. It ended with the defeat o ...
(1482–1491), the soldiers of the
Catholic Monarchs of Spain The Catholic Monarchs were Queen Isabella I of Castile () and King Ferdinand II of Aragon (), whose marriage and joint rule marked the '' de facto'' unification of Spain. They were both from the House of Trastámara and were second cousins, ...
were divided into three classes:
pikemen A pike is a long thrusting spear formerly used in European warfare from the Late Middle Ages and most of the early modern period, and wielded by foot soldiers deployed in pike square formation, until it was largely replaced by bayonet-equipped ...
(modelled after the
Swiss Swiss most commonly refers to: * the adjectival form of Switzerland * Swiss people Swiss may also refer to: Places * Swiss, Missouri * Swiss, North Carolina * Swiss, West Virginia * Swiss, Wisconsin Other uses * Swiss Café, an old café located ...
),
sword A sword is an edged and bladed weapons, edged, bladed weapon intended for manual cutting or thrusting. Its blade, longer than a knife or dagger, is attached to a hilt and can be straight or curved. A thrusting sword tends to have a straighter ...
smen with
shield A shield is a piece of personal armour held in the hand, which may or may not be strapped to the wrist or forearm. Shields are used to intercept specific attacks, whether from close-ranged weaponry like spears or long ranged projectiles suc ...
s, and
crossbow A crossbow is a ranged weapon using an Elasticity (physics), elastic launching device consisting of a Bow and arrow, bow-like assembly called a ''prod'', mounted horizontally on a main frame called a ''tiller'', which is hand-held in a similar f ...
men supplemented with an early
firearm A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and operated by an individual. The term is legally defined further in different countries (see legal definitions). The first firearms originate ...
, the
arquebus An arquebus ( ) is a form of long gun that appeared in Europe and the Ottoman Empire during the 15th century. An infantryman armed with an arquebus is called an arquebusier. The term ''arquebus'' was applied to many different forms of firearms ...
. As shields disappeared and firearms replaced crossbows, Spain won victory after victory in Italy against powerful French armies, starting under the leadership of
Gonzalo Fernández de Córdoba Gonzalo Fernández de Córdoba (1 September 1453 – 2 December 1515) was a Spanish general and statesman. He led military campaigns during the Conquest of Granada and the Italian Wars, after which he served as Viceroy of Naples. For his e ...
(1453–1515), nicknamed ''El Gran Capitán'' (''The Great Captain''). The military organizational and tactical changes made by Córdoba to the armies of Spanish monarchs are seen as the precursors of the tercios and their methods of warfare. The combat effectiveness of the Spanish
pike and shot Pike and shot was a historical infantry tactical formation that first appeared during the late 15th and early 16th centuries, and was used until the development of the bayonet in the late 17th century. This type of formation combined soldiers ...
armies pioneered by Córdoba was based on an armament system that effectively united the pike with the compact firepower of the arquebus. An advantage of the Spanish pike and shot formation over its inspiration, the Swiss compact frame, was its ability to divide into mobile units and even individual melee units without the loss of cohesion. Initially, the term ''tercio'' denoted not a combat unit, but an administrative unit under a general staff, commanding garrisons throughout Italy for battles on various distant fronts. This peculiar character was maintained when it mobilized to fight the Protestant rebels in Flanders. Command of a tercio and its companies of soldiers was granted directly by the king, and companies could easily be added or removed and moved between tercios. By the middle of the 17th century, the tercios began to be raised by nobles at their own expense, patrons who appointed the captains and were effective owners of the units, as in other contemporaneous European armies. From the conquest of Granada in 1492 to the campaigns of ''El Gran Capitán'' in the kingdom of
Naples Naples ( ; ; ) is the Regions of Italy, regional capital of Campania and the third-largest city of Italy, after Rome and Milan, with a population of 908,082 within the city's administrative limits as of 2025, while its Metropolitan City of N ...
in 1495, three ordinances laid the foundations of Spanish military administration. In 1503, the ''Great Ordinance'' reflected the adoption of the long pike and the distribution of infantry in specialized companies. In 1534, the first official ''tercio'' was created, that of
Lombardy The Lombardy Region (; ) is an administrative regions of Italy, region of Italy that covers ; it is located in northern Italy and has a population of about 10 million people, constituting more than one-sixth of Italy's population. Lombardy is ...
, and a year later it helped in the conquest of the
Duchy of Milan The Duchy of Milan (; ) was a state in Northern Italy, created in 1395 by Gian Galeazzo Visconti, then the lord of Milan, and a member of the important Visconti of Milan, Visconti family, which had been ruling the city since 1277. At that time, ...
. The ''tercios'' of Naples and Sicily were created in 1536, thanks to the Genoa ordinance of
Charles V Charles V may refer to: Kings and Emperors * Charles V, Holy Roman Emperor (1500–1558) * Charles V of Naples (1661–1700), better known as Charles II of Spain * Charles V of France (1338–1380), called the Wise Others * Charles V, Duke ...
. At the
Battle of Mühlberg The Battle of Mühlberg took place near Mühlberg in the Electorate of Saxony in 1547, during the Schmalkaldic War. The Catholic princes of the Holy Roman Empire led by the Holy Roman Emperor Charles V decisively defeated the Lutheran Schmal ...
in 1547, the imperial troops of Charles V defeated a league of Protestant princes in Germany, thanks mainly to the action of the Spanish ''tercios''. In 1557, the Spanish army completely defeated the French at the Battle of San Quentin, and again in 1558 at
Gravelines Gravelines ( , ; ) is a Communes of France, commune in the Nord (French department), Nord departments of France, department in Northern France. It lies at the mouth of the river Aa (France), Aa southwest of Dunkirk, France, Dunkirk. It was form ...
, which led to a peace greatly favoring Spain. In all these battles, the effectiveness of the ''tercio'' units stood out. The origin of the term ''tercio'' is doubtful. Some historians believe the name was inspired by the ''tercía'', a
Roman Legion The Roman legion (, ) was the largest military List of military legions, unit of the Roman army, composed of Roman citizenship, Roman citizens serving as legionary, legionaries. During the Roman Republic the manipular legion comprised 4,200 i ...
of Hispania. Some think that it designated the threefold division of the Spanish forces in Italy. Others trace it to the three types of combatants (pikemen, harquebusiers, musketeers). According to an ordinance for "people of war" of 1497, where the formation of the infantry is changed into three parts.
The pawns he infantrywere divided into three parts. The one tercio with spears, as the Germans brought them, which they called pikes; and the other had the name of shields eople of swords and the other, of crossbowmen and spit bearers. ater replaced by arquebusiers
Yet others derive the name from the three thousand men mustered in the first units. This last explanation is supported by the field master Sancho de Londoño in a report to the Duke of Alba in the 16th century:
The tercios, although they were instituted in imitation of the
oman Oman, officially the Sultanate of Oman, is a country located on the southeastern coast of the Arabian Peninsula in West Asia and the Middle East. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen. Oman’s coastline ...
legions, in few things can be compared to them, that the number is half, and although formerly there were three thousand soldiers, for which they were called tercios and not legions, already it is said like this even if they do not have more than a thousand men.


Composition and characteristics

Although other powers adopted the battle formations and tactics perfected by the ''tercios'', their armies fell short of the fearsome reputation of the Spanish army, which possessed a core of experienced professional soldiers. This army was further supplemented by "an army of different nations", a reference to the varied origins of the troops from the
German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...
and
Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...
states, the
Spanish Netherlands The Spanish Netherlands (; ; ; ) (historically in Spanish: , the name "Flanders" was used as a '' pars pro toto'') was the Habsburg Netherlands ruled by the Spanish branch of the Habsburgs from 1556 to 1714. They were a collection of States of t ...
, and smaller units from other countries such as
Ireland Ireland (, ; ; Ulster Scots dialect, Ulster-Scots: ) is an island in the North Atlantic Ocean, in Northwestern Europe. Geopolitically, the island is divided between the Republic of Ireland (officially Names of the Irish state, named Irelan ...
. In 1621, for example, of the 47 military units of the Spanish army, counting together the larger Spanish, Spanish Netherlands, and Italian ''tercios'', and the much smaller German, Burgundian, and Irish regiments, only seven were manned by troops of Spanish origin. Such international musters were characteristic of European warfare before the levies of the
Napoleonic Wars {{Infobox military conflict , conflict = Napoleonic Wars , partof = the French Revolutionary and Napoleonic Wars , image = Napoleonic Wars (revision).jpg , caption = Left to right, top to bottom:Battl ...
. However, the core Spanish troops were Spanish subjects, admired for their cohesiveness, superior discipline, and overall professionalism.


Organization

Initially, each ''tercio'' that served in Italy and the Spanish Netherlands was organized into: * 10 companies of 300 soldiers each led by captains, in which ** 8 were pikemen's companies ** 2 were of arquebusier companies The companies were later reduced to 250 men and the ratio of arquebusiers (later musketmen) to pikemen steadily increased. During the early actions in the Netherlands, the ''tercios'' were reorganized into three ''coronelias'' ("colonelcies"), led by ''coronels'' ("colonels") each composed of a headquarters unit and four companies each (the predecessor of today's
battalion A battalion is a military unit, typically consisting of up to one thousand soldiers. A battalion is commanded by a lieutenant colonel and subdivided into several Company (military unit), companies, each typically commanded by a Major (rank), ...
s), but as a whole continued to be subdivided into the same 10 companies of 250 personnel each: two of arquebusiers and 8 of pikemen. Colonels were also of royal appointment.


Staff

* ''Maestre de Campo'' –
colonel Colonel ( ; abbreviated as Col., Col, or COL) is a senior military Officer (armed forces), officer rank used in many countries. It is also used in some police forces and paramilitary organizations. In the 17th, 18th, and 19th centuries, a colon ...
* ''Coronel'' – colonel/ lieutenant colonel * '' Sargento mayor'' –
major Major most commonly refers to: * Major (rank), a military rank * Academic major, an academic discipline to which an undergraduate student formally commits * People named Major, including given names, surnames, nicknames * Major and minor in musi ...
* ''Furriel mayor'' –
quartermaster Quartermaster is a military term, the meaning of which depends on the country and service. In land army, armies, a quartermaster is an officer who supervises military logistics, logistics and requisitions, manages stores or barracks, and distri ...
* ''Capellán mayor'' –
chaplain A chaplain is, traditionally, a cleric (such as a minister, priest, pastor, rabbi, purohit, or imam), or a lay representative of a religious tradition, attached to a secular institution (such as a hospital, prison, military unit, intellige ...
* ''Pifano mayor'' – fife major * ''Tambor mayor'' – drum major


Company

* 1 ''Capitán'' –
captain Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police depa ...
* 1 ''Alférez'' –
lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a Junior officer, junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, Security agency, security services ...
* ''Abanderado'' –
standard-bearer A standard-bearer, also known as a colour-bearer or flag-bearer, is a person who bears an emblem known as a standard or military colours, i.e. either a type of flag or an inflexible but mobile image, which is used (and often honoured) as ...
* ''Sargento'' –
sergeant Sergeant (Sgt) is a Military rank, rank in use by the armed forces of many countries. It is also a police rank in some police services. The alternative spelling, ''serjeant'', is used in The Rifles and in other units that draw their heritage f ...
* ''Capellán'' – chaplain * ''Furriel'' – quartermaster * ''Tambor'' – drummer * ''Pifano'' – fifer * ''Barbero'' –
barber surgeon The barber surgeon was one of the most common European medical practitioners of the Middle Ages, generally charged with caring for soldiers during and after battle. In this era, surgery was seldom conducted by physicians. Instead, barbers, who ...
* ''Cabos de escuadra'' –
corporal Corporal is a military rank in use by the armed forces of many countries. It is also a police rank in some police services. The rank is usually the lowest ranking non-commissioned officer. In some militaries, the rank of corporal nominally corr ...
s * 150 ''piqueros'' –
pikemen A pike is a long thrusting spear formerly used in European warfare from the Late Middle Ages and most of the early modern period, and wielded by foot soldiers deployed in pike square formation, until it was largely replaced by bayonet-equipped ...
* 100 ''arcabuceros'' –
arquebus An arquebus ( ) is a form of long gun that appeared in Europe and the Ottoman Empire during the 15th century. An infantryman armed with an arquebus is called an arquebusier. The term ''arquebus'' was applied to many different forms of firearms ...
iers (later musketeers) * 40 ''coseletes'' – sword-and-buckler men


Leadership of the ''tercio''

Similar to military organization today, a ''tercio'' was led by a ''maestre de campo'' (commanding officer) appointed by the king, with a guard of eight halberdiers. Assisting the maestre was the
sergeant major Sergeant major is a senior Non-commissioned officer, non-commissioned Military rank, rank or appointment in many militaries around the world. History In 16th century Spain, the ("sergeant major") was a general officer. He commanded an army's ...
and a
furir Furir (from French '' fourrier'', a person responsible for the feed) is a Swedish military rank (OR5) reintroduced in 2019, after having been abolished in 2009. Duties The ''Furir'' is a Squad Leader at Skill Level B (Intermediate). Promotion fr ...
major in charge of logistics and armaments. Companies were led by a
captain Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police depa ...
(also royally appointed), with an
ensign Ensign most often refers to: * Ensign (flag), a flag flown on a vessel to indicate nationality * Ensign (rank), a navy (and former army) officer rank Ensign or The Ensign may also refer to: Places * Ensign, Alberta, Alberta, Canada * Ensign, Ka ...
in charge of the company color. The company non-commissioned officers were
sergeant Sergeant (Sgt) is a Military rank, rank in use by the armed forces of many countries. It is also a police rank in some police services. The alternative spelling, ''serjeant'', is used in The Rifles and in other units that draw their heritage f ...
s, ''furrieles'' (furirs) and
corporal Corporal is a military rank in use by the armed forces of many countries. It is also a police rank in some police services. The rank is usually the lowest ranking non-commissioned officer. In some militaries, the rank of corporal nominally corr ...
s. A sergeant served as second-in-command of a company and transmitted the captain's orders; furrieles provided weapons and munitions, as well as additional manpower; corporals led groups of 25 (similar to today's
platoon A platoon is a Military organization, military unit typically composed of two to four squads, Section (military unit), sections, or patrols. Platoon organization varies depending on the country and the Military branch, branch, but a platoon can ...
s), watching for disorder in the unit. Each company had
corps of drums A corps of drums, sometimes known as a fife and drum corps or simply field music, is a traditional European military music formation. Historically, a Corps of Drums' primary role was communication. Today, the primary role of a Corps of Dru ...
made up of drummers and fifers, sounding duty calls in battle, with the drum major and fife major being provided by the ''tercio'' headquarters. The ''tercio'' staff included a medical component (made up of a professional medic, a barber, and surgeons), chaplains and preachers, and a judicial unit, plus military
constable A constable is a person holding a particular office, most commonly in law enforcement. The office of constable can vary significantly in different jurisdictions. ''Constable'' is commonly the rank of an officer within a police service. Other peo ...
s enforcing order. They all reported directly to the ''maestre de campo''.


Battle formations

Within a ''tercio'''s squares, ranks of pikemen assembled into a hollow pike square (''cuadro'') containing swordsmen – typically with short sword, buckler, and javelins. As firearms rose in prominence, the swordsmen were phased out. The arquebusiers (later, musketeers) were usually split up in several mobile groups called "sleeves" (''mangas''), typically deployed with one ''manga'' at each corner of the ''cuadro''. By virtue of this combined-arms approach, the formation simultaneously enjoyed the staying power of its pike-armed infantry, the ranged firepower of its arquebusiers, and the striking power of its sword-and-buckler men. However, as the formation matured in practice, the number of swordsmen was reduced, then eliminated and the ratio of gunmen to pikemen increased over time. In addition to its defensive ability to repulse
cavalry Historically, cavalry (from the French word ''cavalerie'', itself derived from ''cheval'' meaning "horse") are groups of soldiers or warriors who Horses in warfare, fight mounted on horseback. Until the 20th century, cavalry were the most mob ...
and other forces along its front, the long-range fire of its arquebusiers could be easily shifted to the flanks, making it versatile in both attack and defense. Groups of squares were typically arrayed in dragon-toothed formation, staggered, with the leading edge of one unit level with the trailing edge of the preceding, similar to hedgehog defence. This enabled
enfilade Enfilade and defilade are concepts in military tactics used to describe a military formation's exposure to enemy fire. A formation or position is "in enfilade" if weapon fire can be directed along its longest axis. A unit or position is "in de ...
lines of fire and somewhat defiladed the army units themselves. Odd units stood forward, alternating with even units stepped back, providing gaps for an unwary enemy to enter and expose its flanks to raking
crossfire A crossfire (also known as interlocking fire) is a military term for the siting of weapons (often automatic weapons such as assault rifles or sub-machine guns) so that their arcs of fire overlap. This tactic came to prominence in World War I. ...
from the guns of three separate squares. ''Tercio'' companies also conducted some operations independently of the main formations.


''Tercios'' and the Spanish Empire

''Tercios'' were deployed all over Europe under the
Habsburg The House of Habsburg (; ), also known as the House of Austria, was one of the most powerful dynasties in the history of Europe and Western civilization. They were best known for their inbreeding and for ruling vast realms throughout Europe d ...
rulers. They were made up of volunteers and built up around a core of professional soldiers and were highly trained. Sometime later ''tercios'' did not conform to the all-volunteer model of the regular Imperial Spanish army – when the Habsburg king Philip II found himself in need of more troops, he raised a ''tercio'' of Catalan criminals to fight in
Flanders Flanders ( or ; ) is the Dutch language, Dutch-speaking northern portion of Belgium and one of the communities, regions and language areas of Belgium. However, there are several overlapping definitions, including ones related to culture, la ...
, a trend he continued with mostly Catalan criminals for the rest of his reign. A large proportion of the Spanish army, the ''Tercio'' of Savoy and the ''Tercio'' of Sicily were deployed in the Netherlands to quell the increasingly difficult
rebellion Rebellion is an uprising that resists and is organized against one's government. A rebel is a person who engages in a rebellion. A rebel group is a consciously coordinated group that seeks to gain political control over an entire state or a ...
against the Habsburgs in the later half or the 16th century. By this time, the Spanish army was entirely composed of ''tercio'' units. Ironically, many units of the Spanish ''tercios'' became part of the problem, rather than the solution when the time came to pay them: with the Spanish coffers depleted by constant warfare, unpaid units often mutinied. For example, in April 1576, just after winning a major victory, unpaid ''tercios'' mutinied and occupied the friendly town of
Antwerp Antwerp (; ; ) is a City status in Belgium, city and a Municipalities of Belgium, municipality in the Flemish Region of Belgium. It is the capital and largest city of Antwerp Province, and the third-largest city in Belgium by area at , after ...
, in the so-called Spanish Fury at Antwerp, and sacked it for three days. Completely reliant on his troops, the Spanish commander could only comply.


Specialized ''tercios''

On 24 February 1537, the ''Tercio de Galeras'' (''Tercio'' of Galleys) was created. Today, the ''Real Infantería de Marina'' (
Spanish Marine Infantry The Marine Infantry () are the marines of the Spanish Navy. Responsible for conducting amphibious warfare. Fully integrated into the Spanish Navy's structure, the branch's history dates back to 1537 when Charles V, Holy Roman Emperor formed the ...
) consider themselves successors of the legacy and heritage of the Galleys ''Tercio'', making it the oldest currently operating marines unit in the world. There were other units of naval ''tercios'' such as ''Tercio Viejo de Armada'' (Old Navy ''Tercio'') or ''Tercio Fijo de la Mar de Nápoles'' (Permanent Sea ''Tercio'' of Naples). Such specialized units were needed for the protracted war with the
Ottoman Empire The Ottoman Empire (), also called the Turkish Empire, was an empire, imperial realm that controlled much of Southeast Europe, West Asia, and North Africa from the 14th to early 20th centuries; it also controlled parts of southeastern Centr ...
over the entire
Mediterranean The Mediterranean Sea ( ) is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean basin and almost completely enclosed by land: on the east by the Levant in West Asia, on the north by Anatolia in West Asia and Southern ...
.


Naming conventions

Most ''tercios'' were named according to the place where they were raised or first deployed: ''Tercio de Sicilia'', ''de Lombardía'', ''de Nápoles'' (''Tercio'' of Sicily, of Lombardy, of Naples) and so on. Other ''tercios'' were named for their commanding officer, such as ''Tercio de Moncada'' for its commander Miguel de Moncada (whose most famous soldier was
Miguel de Cervantes Miguel de Cervantes Saavedra ( ; ; 29 September 1547 (assumed) – 22 April 1616 Old Style and New Style dates, NS) was a Spanish writer widely regarded as the greatest writer in the Spanish language and one of the world's pre-eminent novelist ...
). Some tercios were named by their main function, such as ''Galeras'' or ''Viejo de Armada''.


Colours

File:Cross of Burgundy (Template).svg, The
Cross of Burgundy The Cross of Burgundy (; ; ; ; ; Portuguese language, Portuguese: ''Cruz de Borgonha'') is a saw-toothed (wiktionary:raguly, raguly) form of the Saltire, Cross of Saint Andrew, the patron saint of Burgundy, and a historical banner and battle fla ...
was adopted as the symbol of the ''Tercios'' and the Spanish Empire. File:Tercio - Liga.svg, ''Tercio de la Liga'' (1571) File:Tercio - Spínola.svg, ''Unknown Tercio flag (appears near commander Ambrogio Spinola in the painting "The Surrender of Breda" of Diego Velázquez)'' (1621) File:Tercio - Alburquerque.svg, ''Tercio de Alburquerque'' (1643) File:Tercio - Morados Viejos.svg, ''Tercio Morados Viejos'' (1670) File:Tercio - Amarillos Viejos.svg, ''Tercio Amarillos Viejos'' (1680)


The Portuguese ''terços''

Portugal Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...
adopted the Spanish model of ''tercio'' in the 16th century, calling it ''terço''. In 1578, during the reorganization of the
Portuguese Army The Portuguese Army () is the land component of the Portuguese Armed Forces, Armed Forces of Portugal and is also its largest branch. It is charged with the defence of Portugal, in co-operation with other branches of the Armed Forces. With its ...
conducted by King
Sebastian Sebastian may refer to: People and fictional characters * Sebastian (name), including a list of persons and fictional characters with the name * Saint Sebastian, a Christian saint martyred in the 3rd century * Sebastian of Portugal (1554–1578 ...
, four ''terços'' were established: the ''Terço'' of
Lisbon Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...
, the ''Terço'' of Estremadura, the ''Terço'' of
Alentejo Alentejo ( , , ) is a geographical, historical, and cultural region of south–central and southern Portugal. In Portuguese, its name means "beyond the Tagus" (). Alentejo includes the regions of Alto Alentejo Province, Alto Alentejo and Bai ...
, and the ''Terço'' of
Algarve The Algarve (, , ) is the southernmost NUTS statistical regions of Portugal, NUTS II region of continental Portugal. It has an area of with 467,495 permanent inhabitants and incorporates 16 municipalities (concelho, ''concelhos'' or ''município ...
. Each had about 2,000 men, formed into eight companies. The infantry of the army organized for the expedition to
Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...
in 1578 was made up of these four ''terços'', together with the ''Terço'' of the Adventurers (totally made up of young nobles), three mercenary ''terços'' (the German, the Italian, and the Castilian), and a unit of elite
sharpshooter A sharpshooter is one who is highly proficient at firing firearms or other projectile weapons accurately. Military units composed of sharpshooters were important factors in 19th-century combat. Along with " marksman" and "expert", "sharpshooter" ...
s of the Portuguese garrison of
Tangier Tangier ( ; , , ) is a city in northwestern Morocco, on the coasts of the Mediterranean Sea and the Atlantic Ocean. The city is the capital city, capital of the Tanger-Tetouan-Al Hoceima region, as well as the Tangier-Assilah Prefecture of Moroc ...
. This was the Portuguese force which fought the
Battle of Alcácer Quibir The Battle of Alcácer Quibir (also known as "Battle of Three Kings" () or "Battle of Wadi al-Makhazin" () in Morocco) was fought in northern Morocco, near the town of Ksar-el-Kebir (variant spellings: ''Ksar El Kebir'', ''Alcácer-Quivir'', ...
. While united with the Spanish Crown, from 1580 to 1640, Portugal kept the organization of ''terços'', although the Army had declined. Several Spanish ''tercios'' were sent to Portugal; the principal of them, the Spanish infantry ''Tercio'' of the City of Lisbon, occupied the main fortresses of the Portuguese capital. The ''Terço'' of the Navy of the Crown of Portugal, the ancestor of the modern
Portuguese Marines The Portuguese Marine Corps () is the special operations capable amphibious warfare, amphibious force of the Portuguese Navy. It has roles similar to the ones of the United States Marine Corps Reconnaissance Battalions, USMC Reconnaissance Batta ...
, was created in this period. After the restoration of Portuguese sovereignty in 1640, the Army was reorganized by King
John IV of Portugal ''Dom (honorific), Dom'' John IV (; 19 March 1604 – 6 November 1656), also known by the Portuguese as John the Restorer (), was the List of Portuguese monarchs, King of Portugal from 1640 until his death in 1656. He Portuguese Restoration War, ...
. The terços remained the basic units of the Portuguese infantry. Two types of ''terços'' were organized: the paid ''terços'' (first line permanent units) and the auxiliary ''terços'' (second line militia units). Portugal won the Restoration War with these ''terços''. At the end of the 17th century, the ''terços'' were already organized as modern regiments. However, the first line ''terços'' were only transformed into regiments in 1707, during the
War of the Spanish Succession The War of the Spanish Succession was a European great power conflict fought between 1701 and 1714. The immediate cause was the death of the childless Charles II of Spain in November 1700, which led to a struggle for control of the Spanish E ...
– after the Spanish ''tercios'' were transformed into regiments in 1704. The second line ''terços'' were only transformed into militia regiments in 1796. Some of the old ''terços'' are direct ancestors of modern regiments of the Portuguese Army.


Evolution and replacement

The first real challenge to the dominance of the Spanish ''tercios'' on the open battlefield came at the
Battle of Nieuwpoort The Battle of Nieuwpoort (also known as the Battle of the Dunes) was fought on 2 July 1600 during the Eighty Years War and the Anglo-Spanish war in the dunes near Nieuwpoort. A Dutch army met a Spanish force head-on which, although their left f ...
(1600). The victor of Nieuwpoort, the Dutch ''stadtholder''
Maurice, Prince of Orange Maurice of Orange (; 14 November 1567 – 23 April 1625) was ''stadtholder'' of all the provinces of the Dutch Republic except for Lordship of Frisia, Friesland from 1585 at the earliest until his death on 23 April 1625. Before he became P ...
, believed he could improve on the ''tercio'' by combining its methods with the organisation of the
Roman legion The Roman legion (, ) was the largest military List of military legions, unit of the Roman army, composed of Roman citizenship, Roman citizens serving as legionary, legionaries. During the Roman Republic the manipular legion comprised 4,200 i ...
. These shallower linear formations brought a greater proportion of available guns to bear on the enemy simultaneously. The result was that the tercio squares at Nieuwpoort were badly damaged by the weight of Dutch firepower. Yet the Spanish army very nearly succeeded, in spite of internal dissensions that had compromised its regular command. The
Eighty Years' War The Eighty Years' War or Dutch Revolt (; 1566/1568–1648) was an armed conflict in the Habsburg Netherlands between disparate groups of rebels and the Spanish Empire, Spanish government. The Origins of the Eighty Years' War, causes of the w ...
(1568–1648) in the
Low Countries The Low Countries (; ), historically also known as the Netherlands (), is a coastal lowland region in Northwestern Europe forming the lower Drainage basin, basin of the Rhine–Meuse–Scheldt delta and consisting today of the three modern "Bene ...
continued to be characterized by sieges of cities and forts, while field battles were of secondary importance. Maurice's reforms did not lead to a revolution in warfare, but he had created an army that could meet the ''tercios''' battle formations on an even basis and that pointed the way to future developments. During the
Thirty Years War The Thirty Years' War, fought primarily in Central Europe between 1618 and 1648, was one of the most destructive conflicts in European history. An estimated 4.5 to 8 million soldiers and civilians died from battle, famine, or disease, whil ...
(1618–1648) ''tercio'' style battle formations of the Holy Roman Empire suffered major defeats at the hands of more linear formations created and led by the Swedish soldier-king
Gustavus Adolphus Gustavus Adolphus (9 December N.S 19 December">Old_Style_and_New_Style_dates.html" ;"title="/nowiki>Old Style and New Style dates">N.S 19 December15946 November Old Style and New Style dates">N.S 16 November] 1632), also known in English as ...
. However, the tried-and-true tactics and professionalism of the Spanish ''tercios'' played a decisive role in defeating the Swedish army at the Battle of Nördlingen (1634), Battle of Nördlingen. Throughout its history, the ''tercios''' composition and battlefield formations and tactics evolved to meet new challenges. The classic pike and shot square formations fielded by the Spanish ''tercios'' and good cavalry support continued to win major battles in the 17th century, such as
Wimpfen Bad Wimpfen () is a historic spa town in the Heilbronn (district), district of Heilbronn in the Baden-Württemberg region of southern Germany. It lies north of the city of Heilbronn, on the river Neckar. Geography Bad Wimpfen is located on the w ...
(1622),
Fleurus Fleurus (; ) is a city and municipality of Wallonia located in the province of Hainaut, Belgium. It has been the site of four major battles. The municipality consists of the following districts: Brye, Heppignies, Fleurus, Lambusart, Saint-Am ...
(1622),
Breda Breda ( , , , ) is a List of cities in the Netherlands by province, city and List of municipalities of the Netherlands, municipality in the southern part of the Netherlands, located in the Provinces of the Netherlands, province of North Brabant. ...
(1624),
Nördlingen Nördlingen (; Swabian: ''Nearle'' or ''Nearleng'') is a town in the Donau-Ries district, in Swabia, Bavaria, Germany, with a population of approximately 20,674. It is located approximately east of Stuttgart, and northwest of Munich. It was ...
(1634),
Thionville Thionville (; ; ) is a city in the northeastern French Departments of France, department of Moselle (department), Moselle. The city is located on the left bank of the river Moselle (river), Moselle, opposite its suburb Yutz. History Thionvi ...
(1639), and Honnecourt (1641). It was not until
Rocroi Rocroi () is a Communes of France, commune in the Ardennes (département), Ardennes Departments of France, department in northern France. The central area is a notable surviving example of a bastion fort. Population History Rocroi was forti ...
(1643) that the Spanish ''tercio's'' reputation of invincibility in open battle was shattered. Still, the Rocroi defeat was precipitated by the collapse of the supporting cavalry rather than the failure of the ''tercios''' infantry. Even then, the ''tercios'' continued to win battles immediately after Rocroi, such as at
Tuttlingen Tuttlingen (; Alemannic: ''Duttlinga'') is a town in Baden-Württemberg, capital of the district Tuttlingen. Nendingen, ''Möhringen'' and ''Eßlingen'' are three former municipalities that belong to Tuttlingen. Tuttlingen is located in Swabia ...
(1643) and
Valenciennes Valenciennes (, also , , ; ; or ; ) is a communes of France, commune in the Nord (French department), Nord Departments of France, department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced ...
(1656), although their composition and battlefield style had continued to evolve. In this period steady improvements in firearms and field artillery were increasingly favoring the linear style. By the late 17th century the ''tercios'' had adopted so much of the linear style that their battlefield formations and tactics often had little resemblance to the battle formations and tactics a century earlier.


Royal Military and Mathematics Academy of Brussels

In 1675 the first modern
Royal Military and Mathematics Academy of Brussels The Royal Military and Mathematics Academy of Brussels (Spanish language, Spanish: ''la Academia Militar de Bruselas''), also known as the ''Academia Militar del Ejército de los Países Bajos'', was established in 1675 in Brussels, capital of ...
was founded in
Brussels Brussels, officially the Brussels-Capital Region, (All text and all but one graphic show the English name as Brussels-Capital Region.) is a Communities, regions and language areas of Belgium#Regions, region of Belgium comprising #Municipalit ...
by its sole-director Don Sebastián Fernández de Medrano, at the request of the
Governor of the Habsburg Netherlands The governor () or governor-general () of the Habsburg Netherlands was a representative appointed by the Holy Roman emperor (1504-1556), the king of Spain (1556-1598, 1621-1706), and the archduke of Austria (1716-1794), to administer the Burgund ...
,
Carlos de Aragón de Gurrea, 9th Duke of Villahermosa Carlos may refer to: Places ;Canada * Carlos, Alberta, a locality ;United States * Carlos, Indiana, an unincorporated community * Carlos, Maryland, a place in Allegany County * Carlos, Minnesota, a small city * Carlos, West Virginia ;Elsewher ...
, in order to correct the shortage of
artillerymen Artillery consists of ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during sieges, and led to heavy ...
and engineers from the Spanish ''tercios''. This Royal Military and Mathematics Academy in Flanders was renowned for the diverse origin of its officer cadets, for the innovative features of its plan of studies produced by Sebastián Fernández de Medrano, the theoretical and practical basis of its learning process apart from the relevant assignments given to its officer cadets who were also known as the “Great Masters of War” coined by the treatise writer, Count of Clonard. It was created in Brussels to train the most distinguished officers in the peninsula in the Art of War. The Royal Military Academy of Flanders was an educational institution to train military engineers with various fields of education such as arithmetic, geometry, artillery, fortification, algebra, cosmography, astronomy, navigation, etc.


Transformation of the Spanish ''Tercio''

In 1704, the regular Spanish ''tercios'' were transformed into regiments and the pikeman as an infantry type was dropped. Those of the reserves and the militia would later be transformed into similar organisations.


Famous battles


Victories


Pre-official nomenclature

*
Cerignola Cerignola (; ) is a town and ''comune'' of Apulia, Italy, in the province of Foggia, southeast from the town of Foggia. It has the third-largest land area of any ''comune'' in Italy, at , after Rome and Ravenna and it has the largest land ar ...
(1503) *
Garigliano The Garigliano () is a river in central Italy. It forms at the confluence of the rivers Gari (also known as the Rapido) and Liri. Garigliano is actually a deformation of "Gari-Lirano" (which in Italian means something like "Gari from the Liri" ...
(1503) * Mers-el-Kébir (1505) *
Oran Oran () is a major coastal city located in the northwest of Algeria. It is considered the second most important city of Algeria, after the capital, Algiers, because of its population and commercial, industrial and cultural importance. It is w ...
(1509) * La Motta (1513) * Noáin (1521) * Bicocca (1522) * Sesia (1524) *
Pavia Pavia ( , ; ; ; ; ) is a town and comune of south-western Lombardy, in Northern Italy, south of Milan on the lower Ticino (river), Ticino near its confluence with the Po (river), Po. It has a population of c. 73,086. The city was a major polit ...
(1525) *
Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
(1527) *
Landriano Landriano is a ''comune'' (municipality) in the Province of Pavia in the Italian region Lombardy, located about southeast of Milan and about northeast of Pavia. Landriano borders the following municipalities: Bascapè, Carpiano, Siziano, Torreve ...
(1529) *
Vienna Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...
(1529) * Gavinana (1530)


Official nomenclature

*
Tunis Tunis (, ') is the capital city, capital and largest city of Tunisia. The greater metropolitan area of Tunis, often referred to as "Grand Tunis", has about 2,700,000 inhabitants. , it is the third-largest city in the Maghreb region (after Casabl ...
(1535) * Serravalle (1544) * Mühlberg (1547) * St. Quentin (1557) *
Gravelines Gravelines ( , ; ) is a Communes of France, commune in the Nord (French department), Nord departments of France, department in Northern France. It lies at the mouth of the river Aa (France), Aa southwest of Dunkirk, France, Dunkirk. It was form ...
(1558) *
Malta Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago south of Italy, east of Tunisia, and north of Libya. The two ...
(1565) * Lannoy (1566) * Dahlen (1566) * Oosterweel (1567) * Jemmingen (1568) *
Jodoigne Jodoigne (; ; ) is a city and municipality of Wallonia located in the province of Walloon Brabant, Belgium. On January 1, 2006, Jodoigne had a total population of 12,440. The total area is which gives a population density of . The municipalit ...
(1568) * Lepanto (1571) *
Mons Mons commonly refers to: * Mons, Belgium, a city in Belgium * Mons pubis (mons Venus or mons veneris), in mammalian anatomy, the adipose tissue lying above the pubic bone * Mons (planetary nomenclature), a sizable extraterrestrial mountain * Batt ...
(1572) *
Goes The Geostationary Operational Environmental Satellite (GOES), operated by the United States' National Oceanic and Atmospheric Administration (NOAA)'s National Environmental Satellite, Data, and Information Service division, supports weather fo ...
(1572) *
Haarlem Haarlem (; predecessor of ''Harlem'' in English language, English) is a List of cities in the Netherlands by province, city and Municipalities of the Netherlands, municipality in the Netherlands. It is the capital of the Provinces of the Nether ...
(1573) *
Mook Mook or Mooks may refer to: Places * Mook, Iran (disambiguation) * Mook, Kentucky, an unincorporated community, United States * Mook en Middelaar, a municipality in the Netherlands Entertainment * Mook (publishing), a portmanteau of magazine ...
(1574) * Valkenburg (1574) *
Schoonhoven Schoonhoven () is a city and was a former municipality in the western Netherlands, in the province of South Holland. Since 2015 it has been a part of the municipality of Krimpenerwaard, before it had been an independent municipality. The former mu ...
(1575) * Oudewater (1575) *
Zierikzee Zierikzee () is a small city in the southwest Netherlands, 50 km southwest of Rotterdam. It is situated in the municipality of Schouwen-Duiveland, Zeeland. The city hall of Schouwen-Duiveland is located in Zierikzee, its largest city. Zierikze ...
(1576) *
Gembloux Gembloux (; ; ) is a municipality and city of Wallonia located in the province of Namur, Belgium. On 1 January 2006, the municipality had 21,964 inhabitants. The total area is 95.86 km2, yielding a population density of 229 inhabitants per ...
(1578) *
Borgerhout Borgerhout () is the smallest districts of Antwerp, district of Antwerp, Belgium. , the district housed 45,769 inhabitants on 3.93 km². It was an independent municipality until January 1983. The postal area code for Borgerhout is 2140. Geography ...
(1579) *
Maastricht Maastricht ( , , ; ; ; ) is a city and a Municipalities of the Netherlands, municipality in the southeastern Netherlands. It is the capital city, capital and largest city of the province of Limburg (Netherlands), Limburg. Maastricht is loca ...
(1579) *
Alcantara Alcantara, Alcântara ( Portuguese), Alcántara (Spanish), Alcàntara, Alcàntera, El-Qantarah and (El) Kantara are all transliterations of the Arabic word ''al-qantara'' (القنطرة), meaning "the bridge". Alcantara may refer to: People * ...
(1580) * Noordhorn (1581) *
Terceira Terceira () is a volcanic island in the Azores archipelago, about a third of the way across the North Atlantic Ocean at a similar latitude to Portugal's capital Lisbon, with the island group forming an insular part of Portugal. It is one of the ...
(1582) *
Eindhoven Eindhoven ( ; ) is a city and List of municipalities of the Netherlands, municipality of the Netherlands, located in the southern Provinces of the Netherlands, province of North Brabant, of which it is the largest municipality, and is also locat ...
(1583) *
Steenbergen Steenbergen () is a Municipalities of the Netherlands, municipality and a town in the province of North Brabant in the south of the Netherlands. The municipality had a population of in and covers an area of of which is water. The municipality ...
(1583) *
Empel Empel is a village and former municipality, which is now a quarter of 's-Hertogenbosch in the Dutch province of North Brabant. History Archaeological evidence shows Celtic and Roman traces in the area. The site of a Roman temple was of speci ...
(1585) *
Antwerp Antwerp (; ; ) is a City status in Belgium, city and a Municipalities of Belgium, municipality in the Flemish Region of Belgium. It is the capital and largest city of Antwerp Province, and the third-largest city in Belgium by area at , after ...
(1585) *
Neuss Neuss (; written ''Neuß'' until 1968; ; ) is a city in North Rhine-Westphalia, Germany. It is on the west bank of the Rhine opposite Düsseldorf. Neuss is the largest city within the Rhein-Kreis Neuss district. It is primarily known for its ...
(1586) *
Zutphen Zutphen () is a city and municipality located in the province of Gelderland, Netherlands. It lies some northeast of Arnhem, on the eastern bank of the river IJssel at the point where it is joined by the Berkel. First mentioned in the 11th centur ...
(1586) *
Sluis Sluis (; ; ) is a city and municipality located in the west of Zeelandic Flanders, in the south-western Dutch province of Zeeland. The current incarnation of the municipality has existed since 1 January 2003. The former municipalities of Oostb ...
(1587) *
Rheinberg Rheinberg () is a town in the district of Wesel, in North Rhine-Westphalia, Germany. It is situated on the left bank of the Rhine, approx. north of Moers and south of Wesel. It comprises the municipal districts of Rheinberg, Borth, Budberg, an ...
(1590) *
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
(1590) * Craon (1592) *
Doullens Doullens (; ; former ) is a commune in the Somme department, Hauts-de-France, France. Its inhabitants are called ''Doullennais'' and ''Doullennaises''. Geography Doullens is situated on the N25 road, in the northern part of the department, st ...
and
Groenlo Groenlo () is a city in the municipality of Oost Gelre, situated in the eastern part of the Netherlands, on the German border, within a region in the province of Gelderland called the Achterhoek (literally: "back corner"). Groenlo was a municipal ...
(1595) *
Lippe Lippe () is a ''Kreis'' (district) in the east of North Rhine-Westphalia, Germany. Neighboring districts are Herford, Minden-Lübbecke, Höxter, Paderborn, Gütersloh, and district-free Bielefeld, which forms the region Ostwestfalen-Lippe. ...
(1595) *
Calais Calais ( , , traditionally , ) is a French port city in the Pas-de-Calais department, of which it is a subprefecture. Calais is the largest city in Pas-de-Calais. The population of the city proper is 67,544; that of the urban area is 144,6 ...
(1596) *
Groenlo Groenlo () is a city in the municipality of Oost Gelre, situated in the eastern part of the Netherlands, on the German border, within a region in the province of Gelderland called the Achterhoek (literally: "back corner"). Groenlo was a municipal ...
(1606) *
Oppenheim Oppenheim ( or ) is a town in the Mainz-Bingen district of Rhineland-Palatinate, Germany. Geography Location The town lies on the Upper Rhine in Rhenish Hesse between Mainz and Worms. It is the seat of the Verbandsgemeinde (special ad ...
(1620) *
Bacharach Bacharach (, also known as ''Bacharach am Rhein'') is a town in the Mainz-Bingen district in Rhineland-Palatinate, Germany. It belongs to the ''Verbandsgemeinde'' of Rhein-Nahe, whose seat is in Bingen am Rhein, although that town is not with ...
(1620) *
Jülich Jülich (; in old spellings also known as ''Guelich'' or ''Gülich'', , , Ripuarian: ''Jöllesch'') is a town in the district of Düren, in the federal state of North Rhine-Westphalia, in western Germany. As a border region between the competin ...
(1621) *
Wimpfen Bad Wimpfen () is a historic spa town in the Heilbronn (district), district of Heilbronn in the Baden-Württemberg region of southern Germany. It lies north of the city of Heilbronn, on the river Neckar. Geography Bad Wimpfen is located on the w ...
(1622) *
Fleurus Fleurus (; ) is a city and municipality of Wallonia located in the province of Hainaut, Belgium. It has been the site of four major battles. The municipality consists of the following districts: Brye, Heppignies, Fleurus, Lambusart, Saint-Am ...
(1622) *
Heidelberg Heidelberg (; ; ) is the List of cities in Baden-Württemberg by population, fifth-largest city in the States of Germany, German state of Baden-Württemberg, and with a population of about 163,000, of which roughly a quarter consists of studen ...
(1622) * Höchst (1622) *
Mannheim Mannheim (; Palatine German language, Palatine German: or ), officially the University City of Mannheim (), is the List of cities in Baden-Württemberg by population, second-largest city in Baden-Württemberg after Stuttgart, the States of Ger ...
(1622) *
Breda Breda ( , , , ) is a List of cities in the Netherlands by province, city and List of municipalities of the Netherlands, municipality in the southern part of the Netherlands, located in the Provinces of the Netherlands, province of North Brabant. ...
(1625) *
Cádiz Cádiz ( , , ) is a city in Spain and the capital of the Province of Cádiz in the Autonomous communities of Spain, autonomous community of Andalusia. It is located in the southwest of the Iberian Peninsula off the Atlantic Ocean separated fr ...
(1625) *
Genoa Genoa ( ; ; ) is a city in and the capital of the Italian region of Liguria, and the sixth-largest city in Italy. As of 2025, 563,947 people live within the city's administrative limits. While its metropolitan city has 818,651 inhabitan ...
(1625) *
Salvador de Bahia Salvador () is a Municipalities of Brazil, Brazilian municipality and capital city of the Federative units of Brazil, state of Bahia. Situated in the Zona da Mata in the Northeast Region, Brazil, Northeast Region of Brazil, Salvador is recognize ...
(1625) *
Nördlingen Nördlingen (; Swabian: ''Nearle'' or ''Nearleng'') is a town in the Donau-Ries district, in Swabia, Bavaria, Germany, with a population of approximately 20,674. It is located approximately east of Stuttgart, and northwest of Munich. It was ...
(1634) *
Leuven Leuven (, , ), also called Louvain (, , ), is the capital and largest City status in Belgium, city of the Provinces of Belgium, province of Flemish Brabant in the Flemish Region of Belgium. It is located about east of Brussels. The municipalit ...
(1635) *
Somme __NOTOC__ Somme or The Somme may refer to: Places *Somme (department), a department of France * Somme, Queensland, Australia * Canal de la Somme, a canal in France *Somme (river), a river in France Arts, entertainment, and media * ''Somme'' (book), ...
(1636) *
Venlo Venlo () is a List of cities in the Netherlands by province, city and List of municipalities of the Netherlands, municipality in southeastern Netherlands, close to the border with Germany. It is situated in the province of Limburg (Netherlands), ...
(1637) * Kallo (1638) *
Thionville Thionville (; ; ) is a city in the northeastern French Departments of France, department of Moselle (department), Moselle. The city is located on the left bank of the river Moselle (river), Moselle, opposite its suburb Yutz. History Thionvi ...
(1639) * Honnecourt (1642) *
Tuttlingen Tuttlingen (; Alemannic: ''Duttlinga'') is a town in Baden-Württemberg, capital of the district Tuttlingen. Nendingen, ''Möhringen'' and ''Eßlingen'' are three former municipalities that belong to Tuttlingen. Tuttlingen is located in Swabia ...
(1643) *
Valenciennes Valenciennes (, also , , ; ; or ; ) is a communes of France, commune in the Nord (French department), Nord Departments of France, department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced ...
(1656)


Defeats

*
Ravenna Ravenna ( ; , also ; ) is the capital city of the Province of Ravenna, in the Emilia-Romagna region of Northern Italy. It was the capital city of the Western Roman Empire during the 5th century until its Fall of Rome, collapse in 476, after which ...
(1512) * Castelnuovo (1539) *
Algiers Algiers is the capital city of Algeria as well as the capital of the Algiers Province; it extends over many Communes of Algeria, communes without having its own separate governing body. With 2,988,145 residents in 2008Census 14 April 2008: Offi ...
(1541) * Ceresole (1544) *
Leiden Leiden ( ; ; in English language, English and Archaism, archaic Dutch language, Dutch also Leyden) is a List of cities in the Netherlands by province, city and List of municipalities of the Netherlands, municipality in the Provinces of the Nethe ...
(1574) * Rijmenam (1578) * Alcácer Quibir (1578) * Ivry (1590) * Caudebec (1592) * Siege of Coevorden *
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(1594) * Fort Crozon (1594) *
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(1599) * Nieuwpoort (1600) *
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See also

*
Pike and shot Pike and shot was a historical infantry tactical formation that first appeared during the late 15th and early 16th centuries, and was used until the development of the bayonet in the late 17th century. This type of formation combined soldiers ...
*
Musketeer A musketeer ( ) was a type of soldier equipped with a musket. Musketeers were an important part of early modern warfare, particularly in Europe, as they normally comprised the majority of their infantry. The musketeer was a precursor to the rifl ...
* '' Captain Alatriste'' *
Military history Military history is the study of War, armed conflict in the Human history, history of humanity, and its impact on the societies, cultures and economies thereof, as well as the resulting changes to Politics, local and international relationship ...
*
Spanish Navy Marines The Marine Infantry () are the marines of the Spanish Navy. Responsible for conducting amphibious warfare. Fully integrated into the Spanish Navy's structure, the branch's history dates back to 1537 when Charles V, Holy Roman Emperor formed the ...
units are called ''tercios'' * The units of the modern
Spanish Legion For centuries, Spain recruited foreign soldiers to its army, forming the foreign regiments () such as the Regiment of Hibernia (formed in 1709 from Irishmen who fled their own country in the wake of the Flight of the Earls and the Penal la ...
are also called ''tercios''. * , roughly contemporaneous and organizationally similar Japanese unit


References


Further reading

* Christon I. Archer, John R. Ferris, Holger H. Herwig, Timothy H. E. Travers – For a history of Spanish arms in the 16th and 17th centuries. * * * *
Spanish Tercio Tactics


(myArmoury.com article)
Spanish web site
– Honors Alonso '' Pita da Veiga'' the most heroic Spaniard at the
Battle of Pavia The Battle of Pavia, fought on the morning of 24 February 1525, was the decisive engagement of the Italian War of 1521–1526 between the Kingdom of France and the Habsburg Empire of Charles V, Holy Roman Emperor, Charles V, Holy Roman Empero ...
(Italy) 1525.

Non-Official Web siteof the Modern "Spanish Marines" (in existence since 1537 few years after ''
Battle of Pavia The Battle of Pavia, fought on the morning of 24 February 1525, was the decisive engagement of the Italian War of 1521–1526 between the Kingdom of France and the Habsburg Empire of Charles V, Holy Roman Emperor, Charles V, Holy Roman Empero ...
'' (Italy) 1525 and well before the '' Battle of Lepanto (1571), Battle of Lepanto'' (Greece) 1571).
The Spanish Army of the Thirty Years’ WarList of Tercios
* Lorraine White
The Experience of Spain’s Early Modern Soldiers: Combat, Welfare and Violence
* Pierre de Bourdeille, ''Gentilezas y bravuconadas de los españoles'' (r/p Mosand, Madrid, 1996) * Marcos de Isaba, ''Cuerpo enfermo de la milicia española'' Ministry of Defence, Madrid (Brussels, 1589) * Sancho de Londoño, ''El discurso sobre la forma de reducir la disciplina militar a mejor y antiguo estado'' Ministry of Defence, Madrid (Brussels, 1589) * Bernardino de Escalante, ''Diálogos del arte militar'' Ministry of Defence, Madrid (1583) * Martín de Eguiluz, Milicia, ''Discurso y Regla militar'' Ministry of Defence, Madrid (pre-1591) * Diego de Salazar, ''Tratado de Re Militari'' Ministry of Defence, Madrid(1590) * Serafín María de Soto, ''Conde de Clonard, Album de la infantería española'' (1861) * Rene Quatrefages, ''Los Tercios'' (Madrid, ediciones Ejército, 1983) * Inspección de Infantería, ''La infantería en torno al siglo del oro'' (Madrid, ediciones Ejército, 1993) * Julio Albi de la Cuesta, ''De Pavia a Rocroi: los Tercios de Infantería española en los siglos XVI y XVII'' (Madrid, Balkan, 1999) * Enrique Martínez Ruiz, ''Los soldados del Rey'' (Madrid, Actas, 2008) * Pierre Picouet, ''Les Tercios Espagnols 1600–1660'' (in French – Auzielle, LRT, 2010) {{Spanish Empire Infantry units and formations Military units and formations of the early modern period Military units and formations of Spain Military strategy Military tactics Spanish Empire House of Habsburg Military units and formations of the Italian Wars Spanish inventions