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A battle is an occurrence of
combat
Combat (French language, French for ''fight'') is a purposeful violent Conflict (process), conflict between multiple combatants with the intent to harm the opposition. Combat may be armed (using weapons) or unarmed (Hand-to-hand combat, not usin ...
in
warfare between opposing
military units of any number or size. A
war usually consists of multiple battles. In general, a battle is a
military engagement that is well defined in duration, area, and force commitment. An engagement with only limited commitment between the forces and without decisive results is sometimes called a
skirmish.
The word "battle" can also be used infrequently to refer to an entire operational campaign, although this usage greatly diverges from its conventional or customary meaning. Generally, the word "battle" is used for such campaigns if referring to a protracted combat encounter in which either one or both of the combatants had the same methods, resources, and strategic objectives throughout the encounter. Some prominent examples of this would be the
Battle of the Atlantic,
Battle of Britain, and the
Battle of France, all in World War II.
Wars and
military campaigns are guided by
military strategy
Military strategy is a set of ideas implemented by military organizations to pursue desired Strategic goal (military), strategic goals. Derived from the Greek language, Greek word ''strategos'', the term strategy, when first used during the 18th ...
, whereas battles take place on a level of planning and execution known as
operational mobility. German strategist
Carl von Clausewitz
Carl Philipp Gottlieb von Clausewitz ( , ; born Carl Philipp Gottlieb Clauswitz; 1 July 1780 – 16 November 1831) was a Kingdom of Prussia, Prussian general and Military theory, military theorist who stressed the "moral" (in modern terms meani ...
stated that "the employment of battles ... to achieve the object of war" was the essence of
strategy
Strategy (from Greek στρατηγία ''stratēgia'', "troop leadership; office of general, command, generalship") is a general plan to achieve one or more long-term or overall goals under conditions of uncertainty. In the sense of the " a ...
.
Etymology
Battle is a
loanword from the
Old French
Old French (, , ; ) was the language spoken in most of the northern half of France approximately between the late 8th , first attested in 1297, from Late Latin">-4; we might wonder whether there's a point at which it's appropriate to talk of the beginnings of French, that is, when it wa ...
, first attested in 1297, from Late Latin , meaning "exercise of soldiers and gladiators in fighting and fencing", from Late Latin (taken from Germanic) "beat", from which the English word battery is also derived via Middle English .
Characteristics
The defining characteristic of the fight as a concept in
military science has changed with the variations in the organisation, employment and technology of military forces. The English
military historian John Keegan suggested an ideal definition of battle as "something which happens between two
armies leading to the moral then physical disintegration of one or the other of them" but the origins and outcomes of battles can rarely be summarized so neatly. Battle in the 20th and 21st centuries is defined as the combat between large components of the forces in a
military campaign, used to achieve
military objective
A legitimate military target is an object, structure, individual, or entity that is considered to be a valid target for attack by belligerent forces according to the law of war during an war, armed conflict.
Overview
Protocol I to the Geneva Co ...
s.
[pp. 65–71, Dupuy] Where the duration of the battle is longer than a week, it is often for reasons of
planning called an operation. Battles can be planned,
encountered or forced by one side when the other is unable to
withdraw from combat.
A battle always has as its purpose the reaching of a
mission goal
Mission (from Latin 'the act of sending out'), Missions or The Mission may refer to:
Geography Australia
* Mission River (Queensland)
Canada
* Mission, British Columbia, a district municipality
* Mission, Calgary, Alberta, a neighbourhood
...
by use of military force.
[p. 67, Dupuy] A victory in the battle is achieved when one of the opposing sides forces the other to abandon its mission and
surrender its forces,
rout
A rout is a Panic, panicked, disorderly and Military discipline, undisciplined withdrawal (military), retreat of troops from a battlefield, following a collapse in a given unit's discipline, command authority, unit cohesion and combat morale ...
s the other (i.e., forces it to retreat or renders it militarily ineffective for further
combat operation
Combat ( French for ''fight'') is a purposeful violent conflict between multiple combatants with the intent to harm the opposition. Combat may be armed (using weapons) or unarmed ( not using weapons). Combat is resorted to either as a method ...
s) or
annihilates the latter, resulting in their deaths or capture. A battle may end in a
Pyrrhic victory, which ultimately favors the defeated party. If no resolution is reached in a battle, it can result in a
stalemate. A conflict in which one side is unwilling to reach a decision by a direct battle using
conventional warfare often becomes an
insurgency
An insurgency is a violent, armed rebellion by small, lightly armed bands who practice guerrilla warfare against a larger authority. The key descriptive feature of insurgency is its asymmetric warfare, asymmetric nature: small irregular forces ...
.
Until the 19th century the majority of battles were of short duration, many lasting a part of a day. (The
Battle of Preston (1648), the
Battle of Nations (1813) and the
Battle of Gettysburg (1863) were exceptional in lasting three days.) This was mainly due to the difficulty of supplying
armies in the field or conducting
night operations. The means of prolonging a battle was typically with
siege warfare. Improvements in
transport and the sudden evolving of
trench warfare, with its siege-like nature during the
First World War
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
in the 20th century, lengthened the duration of battles to days and weeks.
This created the requirement for
unit rotation to prevent
combat fatigue, with troops preferably not remaining in a combat area of operations for more than a month.

The use of the term "battle" in military history has led to its misuse when referring to almost any scale of combat, notably by strategic forces involving hundreds of thousands of troops that may be engaged in either one battle at a time (
Battle of Leipzig) or operations (
Battle of Wuhan). The space a battle occupies depends on the range of the
weapon
A weapon, arm, or armament is any implement or device that is used to deter, threaten, inflict physical damage, harm, or kill. Weapons are used to increase the efficacy and efficiency of activities such as hunting, crime (e.g., murder), law ...
s of the combatants. A "battle" in this broader sense may be of long duration and take place over a large area, as in the case of the
Battle of Britain or the
Battle of the Atlantic. Until the advent of
artillery and
aircraft, battles were fought with the two sides within sight, if not reach, of each other. The depth of the
battlefield has also increased in
modern warfare with inclusion of the supporting units in the rear areas; supply, artillery, medical personnel etc. often outnumber the front-line combat troops.
Battles are made up of a multitude of individual combats,
skirmishes and small
engagements and the combatants will usually only experience a small part of the battle. To the
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 ...
man, there may be little to distinguish between combat as part of a minor raid or a big offensive, nor is it likely that he anticipates the future course of the battle; few of the British infantry who went over the top on the
first day on the Somme, 1 July 1916, would have anticipated that the battle would last five months. Some of the Allied infantry who had just dealt a crushing defeat to the French at the
Battle of Waterloo
The Battle of Waterloo was fought on Sunday 18 June 1815, near Waterloo, Belgium, Waterloo (then in the United Kingdom of the Netherlands, now in Belgium), marking the end of the Napoleonic Wars. The French Imperial Army (1804–1815), Frenc ...
fully expected to have to fight again the next day (at the
Battle of Wavre).
Battlespace
Battlespace is a unified strategic concept to integrate and combine
armed forces
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a ...
for the
military theatre of operations, including
air,
information,
land
Land, also known as dry land, ground, or earth, is the solid terrestrial surface of Earth not submerged by the ocean or another body of water. It makes up 29.2% of Earth's surface and includes all continents and islands. Earth's land sur ...
,
sea and
space
Space is a three-dimensional continuum containing positions and directions. In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless ...
. It includes the environment, factors and conditions that must be understood to apply combat power, protect the force or complete the mission, comprising enemy and friendly
armed forces
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a ...
; facilities; weather; terrain; and the
electromagnetic spectrum
The electromagnetic spectrum is the full range of electromagnetic radiation, organized by frequency or wavelength. The spectrum is divided into separate bands, with different names for the electromagnetic waves within each band. From low to high ...
.
Factors
Battles are decided by various factors, the number and quality of combatants and equipment, the skill of
commanders and terrain are among the most prominent. Weapons and armour can be decisive; on many occasions armies have achieved victory through more advanced weapons than those of their opponents. An extreme example was in the
Battle of Omdurman, in which a large army of Sudanese
Mahdists armed in a traditional manner were destroyed by an Anglo-Egyptian force equipped with
Maxim machine guns and artillery.
On some occasions, simple weapons employed in an unorthodox fashion have proven advantageous;
Swiss pikemen gained many victories through their ability to transform a traditionally defensive weapon into an offensive one.
Zulus in the early 19th century were victorious in battles against their rivals in part because they adopted a new kind of spear, the
iklwa. Forces with inferior weapons have still emerged victorious at times, for example in the
Wars of Scottish Independence. Disciplined troops are often of greater importance; at the
Battle of Alesia, the Romans were greatly outnumbered but won because of superior training.
Battles can also be determined by terrain. Capturing high ground has been the main tactic in innumerable battles. An army that holds the high ground forces the enemy to climb and thus wear themselves down. Areas of jungle and forest, with dense vegetation act as force-multipliers, of benefit to inferior armies. Terrain may have lost importance in modern warfare, due to the advent of aircraft, though the terrain is still vital for camouflage, especially for
guerrilla warfare.
Generals and commanders also play an important role,
Hannibal,
Julius Caesar
Gaius Julius Caesar (12 or 13 July 100 BC – 15 March 44 BC) was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in Caesar's civil wa ...
,
Khalid ibn Walid,
Subutai and
Napoleon Bonaparte were all skilled generals and their armies were extremely successful at times. An army that can trust the commands of their leaders with conviction in its success invariably has a higher morale than an army that doubts its every move. The British in the naval
Battle of Trafalgar owed its success to the reputation of Admiral
Lord Nelson.
Types
Battles can be fought on land, at sea, and in the air.
Naval battles have occurred since before the 5th century BC. Air battles have been far less common, due to their late conception, the most prominent being the
Battle of Britain in 1940. Since the Second World War, land or sea battles have come to rely on air support. During the
Battle of Midway, five
aircraft carriers were sunk without either fleet coming into direct contact.

* A
pitched battle is an encounter where opposing sides agree on the time and place of combat.
* A ''battle of encounter'' (or ''encounter battle'') is a
meeting engagement
In warfare, a meeting engagement, or encounter battle, is a combat
Combat (French language, French for ''fight'') is a purposeful violent Conflict (process), conflict between multiple combatants with the intent to harm the opposition. Combat m ...
where the opposing sides collide in the field without either having prepared their attack or defence.
* A ''
battle of attrition'' aims to inflict losses on an enemy that are less sustainable compared to one's own losses. These need not be greater numerical losses – if one side is much more numerous than the other then pursuing a strategy based on attrition can work even if casualties on both sides are about equal. Many battles of the
Western Front in the First World War were intentionally (
Verdun) or unintentionally (
Somme) attrition battles.
* A ''battle of
breakthrough'' aims to pierce the enemy's defences, thereby exposing the vulnerable flanks which can be turned.
* A ''battle of
encirclement''—the of the German battle of manoeuvre ()—surrounds the enemy in a
pocket.
* A ''battle of
envelopment'' involves an attack on one or both
flanks; the classic example being the
double envelopment of the
Battle of Cannae.
* A ''
battle of annihilation
Annihilation is a military strategy in which an attacking army seeks to entirely destroy the military capacity of the opposing army. This strategy can be executed in a single planned pivotal battle, called a "battle of annihilation". A succ ...
'' is one in which the defeated party is destroyed in the field, such as the French fleet at the
Battle of the Nile.
Battles are usually hybrids of different types listed above.
A ''
decisive battle'' is one with
political effects, determining the course of the war such as the
Battle of Smolensk or bringing hostilities to an end, such as the
Battle of Hastings or the
Battle of Hattin. A decisive battle can change the balance of power or boundaries between countries. The concept of the ''decisive battle'' became popular with the publication in 1851 of
Edward Creasy's ''
The Fifteen Decisive Battles of the World''. British
military historians
J.F.C. Fuller (''The Decisive Battles of the Western World'') and
B.H. Liddell Hart (''Decisive Wars of History''), among many others, have written books in the style of Creasy's work.
Land
There is an obvious difference in the way battles have been fought. Early battles were probably fought between rival hunting bands as unorganized crowds. During the
Battle of Megiddo, the first reliably documented battle in the fifteenth century BC, both armies were organised and disciplined; during the many wars of the
Roman Empire
The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...
,
barbarians continued to use
mob tactics.
As the
Age of Enlightenment
The Age of Enlightenment (also the Age of Reason and the Enlightenment) was a Europe, European Intellect, intellectual and Philosophy, philosophical movement active from the late 17th to early 19th century. Chiefly valuing knowledge gained th ...
dawned, armies began to fight in highly disciplined lines. Each would follow the orders from their officers and fight as a unit instead of individuals. Armies were divided into
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,
battalions,
companies and
platoons. These armies would march, line up and fire in divisions.
Native Americans, on the other hand, did not fight in lines, using guerrilla tactics. American colonists and European forces continued using disciplined lines into the
American Civil War
The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...
.
A new style arose from the 1850s to the First World War, known as
trench warfare, which also led to tactical
radio
Radio is the technology of communicating using radio waves. Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connec ...
.
Chemical warfare also began in 1915.
By the Second World War, the use of the smaller divisions, platoons and companies became much more important as precise operations became vital. Instead of the trench stalemate of 1915–1917, in the Second World War, battles developed where small groups encountered other platoons. As a result, elite squads became much more recognized and distinguishable.
Maneuver warfare also returned with an astonishing pace with the advent of the
tank, replacing the cannon of the Enlightenment Age. Artillery has since gradually replaced the use of frontal troops. Modern battles resemble those of the Second World War, along with indirect combat through the use of aircraft and missiles which has come to constitute a large portion of wars in place of battles, where battles are now mostly reserved for capturing cities.
Naval
One significant difference of modern naval battles, as opposed to earlier forms of combat is the use of
marines, which introduced amphibious warfare. Today, a marine is actually an infantry regiment that sometimes fights solely on land and is no longer tied to the navy. A good example of an ancient naval battle is the
Battle of Salamis. Most ancient naval battles were fought by fast ships using the
battering ram to sink opposing fleets or steer close enough for boarding in hand-to-hand combat. Troops were often used to storm enemy ships as used by
Romans and
pirates. This tactic was usually used by civilizations that could not beat the enemy with ranged weaponry. Another invention in the late
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 ...
was the use of
Greek fire by the Byzantines, which was used to set enemy fleets on fire. Empty demolition ships utilized the tactic to crash into opposing ships and set it afire with an explosion. After the invention of cannons, naval warfare became useful as support units for land warfare. During the 19th century, the development of mines led to a new type of naval warfare. The
ironclad
An ironclad was a steam engine, steam-propelled warship protected by iron armour, steel or iron armor constructed from 1859 to the early 1890s. The ironclad was developed as a result of the vulnerability of wooden warships to explosive or ince ...
, first used in the
American Civil War
The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...
, resistant to cannons, soon made the wooden ship obsolete. The invention of military
submarines, during
World War I
World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
, brought naval warfare to both above and below the surface. With the development of military aircraft during
World War II
World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, battles were fought in the sky as well as below the ocean.
Aircraft carriers have since become the central unit in naval warfare, acting as a mobile base for lethal aircraft.
Aerial

Although the use of aircraft has for the most part always been used as a supplement to land or naval engagements, since their first major military use in World War I aircraft have increasingly taken on larger roles in warfare. During World War I, the primary use was for reconnaissance, and small-scale bombardment. Aircraft began becoming much more prominent in the
Spanish Civil War and especially World War II. Aircraft design began specializing, primarily into two types: bombers, which carried explosive payloads to bomb land targets or ships; and fighter-interceptors, which were used to either intercept incoming aircraft or to escort and protect bombers (engagements between fighter aircraft were known as
dog fights). Some of the more notable aerial battles in this period include the
Battle of Britain and the
Battle of Midway. Another important use of aircraft came with the development of the
helicopter
A helicopter is a type of rotorcraft in which Lift (force), lift and thrust are supplied by horizontally spinning Helicopter rotor, rotors. This allows the helicopter to VTOL, take off and land vertically, to hover (helicopter), hover, and ...
, which first became heavily used during the Vietnam War, and still continues to be widely used today to transport and augment ground forces. Today, direct engagements between aircraft are rare – the most modern fighter-interceptors carry much more extensive bombing payloads, and are used to bomb precision land targets, rather than to fight other aircraft. Anti-aircraft batteries are used much more extensively to defend against incoming aircraft than interceptors. Despite this, aircraft today are much more extensively used as the primary tools for both army and navy, as evidenced by the prominent use of helicopters to transport and support troops, the use of aerial bombardment as the "first strike" in many engagements, and the replacement of the battleship with the aircraft carrier as the center of most modern navies.
Naming

Battles are usually named after some feature of the battlefield
geography
Geography (from Ancient Greek ; combining 'Earth' and 'write', literally 'Earth writing') is the study of the lands, features, inhabitants, and phenomena of Earth. Geography is an all-encompassing discipline that seeks an understanding o ...
, such as a town, forest or river, commonly prefixed "Battle of...". Occasionally battles are named after the date on which they took place, such as
The Glorious First of June. 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 ...
it was considered important to settle on a suitable name for a battle which could be used by the
chroniclers. After
Henry V of England defeated a French army on October 25, 1415, he met with the senior French
herald and they agreed to name the battle after the nearby
castle
A castle is a type of fortification, fortified structure built during the Middle Ages predominantly by the nobility or royalty and by Military order (monastic society), military orders. Scholars usually consider a ''castle'' to be the private ...
and so it was called the
Battle of Agincourt. In other cases, the sides adopted different names for the same battle, such as the
Battle of Gallipoli which is known in Turkey as the
Battle of Çanakkale. During the American Civil War, the Union tended to name the battles after the nearest watercourse, such as the Battle of Wilsons Creek and the Battle of Stones River, whereas the Confederates favoured the nearby towns, as in the Battles of Chancellorsville and Murfreesboro. Occasionally both names for the same battle entered the popular culture, such as the
First Battle of Bull Run and the
Second Battle of Bull Run, which are also referred to as the First and Second Battles of Manassas.
Sometimes in desert warfare, there is no nearby town name to use; map coordinates gave the name to the
Battle of 73 Easting in the
First Gulf War. Some place names have become
synonymous with battles, such as the
Passchendaele,
Pearl Harbor,
the Alamo,
Thermopylae and
Waterloo.
Military operations, many of which result in battle, are given
codenames, which are not necessarily meaningful or indicative of the type or the location of the battle.
Operation Market Garden and
Operation Rolling Thunder are examples of battles known by their military codenames. When a battleground is the site of more than one battle in the same conflict, the instances are distinguished by
ordinal number
In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, th, etc.) aimed to extend enumeration to infinite sets.
A finite set can be enumerated by successively labeling each element with the leas ...
, such as the First and Second Battles of Bull Run. An extreme case are the twelve
Battles of the Isonzo—
First to
Twelfth—between Italy and
Austria-Hungary
Austria-Hungary, also referred to as the Austro-Hungarian Empire, the Dual Monarchy or the Habsburg Monarchy, was a multi-national constitutional monarchy in Central Europe#Before World War I, Central Europe between 1867 and 1918. A military ...
during the First World War.
Some battles are named for the convenience of
military historians so that periods of combat can be neatly distinguished from one another. Following the First World War, the British Battles Nomenclature Committee was formed to decide on standard names for all battles and subsidiary actions. To the soldiers who did the fighting, the distinction was usually academic; a soldier fighting at
Beaumont Hamel on November 13, 1916, was probably unaware he was taking part in what the committee named the
Battle of the Ancre. Many combats are too small to be battles; terms such as "action", "affair", "skirmish", "firefight", "raid", or "offensive patrol" are used to describe small military encounters. These combats often take place within the time and space of a battle and while they may have an objective, they are not necessarily "decisive". Sometimes the soldiers are unable to immediately gauge the significance of the combat; in the aftermath of the
Battle of Waterloo
The Battle of Waterloo was fought on Sunday 18 June 1815, near Waterloo, Belgium, Waterloo (then in the United Kingdom of the Netherlands, now in Belgium), marking the end of the Napoleonic Wars. The French Imperial Army (1804–1815), Frenc ...
, some British officers were in doubt as to whether the day's events merited the title of "battle" or would be called an "action".
Effects
Battles affect the individuals who take part, as well as the political actors. Personal effects of battle range from mild psychological issues to permanent and crippling injuries. Some battle-survivors have nightmares about the conditions they encountered or abnormal reactions to certain sights or sounds and some experience
flashbacks. Physical effects of battle can include scars, amputations, lesions, loss of bodily functions, blindness, paralysis and death. Battles affect
politics
Politics () is the set of activities that are associated with decision-making, making decisions in social group, groups, or other forms of power (social and political), power relations among individuals, such as the distribution of Social sta ...
; a decisive battle can cause the losing side to surrender, while a
Pyrrhic victory such as the
Battle of Asculum can cause the winning side to reconsider its goals. Battles in
civil war
A civil war is a war between organized groups within the same Sovereign state, state (or country). The aim of one side may be to take control of the country or a region, to achieve independence for a region, or to change government policies.J ...
s have often decided the fate of monarchs or political factions. Famous examples include the
Wars of the Roses
The Wars of the Roses, known at the time and in following centuries as the Civil Wars, were a series of armed confrontations, machinations, battles and campaigns fought over control of the English throne from 1455 to 1487. The conflict was fo ...
, as well as the
Jacobite risings. Battles affect the commitment of one side or the other to the continuance of a war, for example the
Battle of Inchon and the
Battle of Huế during the
Tet Offensive.
See also
*
List of battles
*
Military strategy
Military strategy is a set of ideas implemented by military organizations to pursue desired Strategic goal (military), strategic goals. Derived from the Greek language, Greek word ''strategos'', the term strategy, when first used during the 18th ...
*
Military tactics
*
Naval battle
*
Pitched battle
*
Skirmisher
*
War
Further reading
*
Interstate War Battle dataset (1823–2003)
References
;Sources
* no isbn
*
*
*
*
*
*
External links
{{Authority control
Military operations by type