157 relations: Air gun laws, Aircraft, Aircraft carrier, American Civil War, Ammunition, Anti-aircraft warfare, Anti-personnel weapon, Anti-radiation missile, Anti-satellite weapon, Anti-submarine weapon, Anti-tank warfare, Antimatter, Antimatter weapon, Archery, Area denial weapon, Arms control, Arms industry, Arms trafficking, Arquebus, Artillery, Axe, Battering ram, Biological agent, Biological warfare, Blunt instrument, Bow and arrow, Bronze Age, Bronze Age sword, Cannon, Cavalry, Central government, Chalcolithic, Chariot, Chemical weapon, Club (weapon), Cold War, Cold War II, Combat vehicle, Commerce, Common chimpanzee, Copper, Crew-served weapon, Crime, Cyberweapon, Demining, Directed-energy weapon, Domestication of the horse, Edged and bladed weapons, Engineering, Eurosatory, ..., Explosive weapon, Ferrous metallurgy, Firearm, Fortification, Fossil fuel, Game (hunting), Gun, Gunpowder, Helicopter, Hominidae, Horse, Howitzer, HuffPost, Hunting, Hunting weapon, Improvised weapon, Incendiary device, Industrial Age, Industry, Infantry, Intercontinental ballistic missile, Iron Age sword, Ironclad warship, Knife legislation, Knight, Lance, Law enforcement, Limited war, List of aircraft weapons, List of laser applications, List of martial arts weapons, List of practice weapons, List of premodern combat weapons, Lists of weapons, Local government, Lock (firearm), Loiter (aeronautics), Loitering munition, Machine gun, Magnetic weapon, Maneuver warfare, Marine debris, Melee weapon, Middle East, Military, Military robot, Military technology, Missile, Mountain gun, Musketeer, Mutual assured destruction, Neolithic, Non-lethal weapon, Nuclear arms race, Nuclear fission, Nuclear fusion, Nuclear terrorism, Nuclear weapon, Obsidian, Overview of gun laws by nation, Personal weapon, Pike (weapon), Post-classical history, Power (physics), Projectile, Propellant, Railway gun, Ranged weapon, Renaissance, Research and development, Revolution in Military Affairs, Right of self-defense, Riot control, Rocket, Rocket (weapon), Sail, Self-defense, Ship, Shrapnel shell, Siege, Siege engine, Small arms, Small Arms and Light Weapons, Space weapon, Spear, Spoke, Steam engine, Submarine, Suicide weapon, Sword, Technological escalation, Technology during World War I, Technology during World War II, The Washington Post, Total war, Toy weapon, Trebuchet, Trireme, Unexploded ordnance, War, Warship, Weapon, Weapon (disambiguation), Weapon mount, Weapon of mass destruction, World War I, World War II. Expand index (107 more) » « Shrink index
This is a list of laws concerning air guns by country.
An aircraft is a machine that is able to fly by gaining support from the air.
An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft.
The American Civil War (also known by other names) was a war fought in the United States from 1861 to 1865.
Ammunition (informally ammo) is the material fired, scattered, dropped or detonated from any weapon.
Anti-aircraft warfare or counter-air defence is defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action."AAP-6 They include ground-and air-based weapon systems, associated sensor systems, command and control arrangements and passive measures (e.g. barrage balloons).
An anti-personnel weapon is a weapon primarily used to maim or kill infantry and other personnel not behind armor, as opposed to attacking structures or vehicles, or hunting game.
An anti-radiation missile (ARM) is a missile designed to detect and home in on an enemy radio emission source.
Anti-satellite weapons (ASAT) are space weapons designed to incapacitate or destroy satellites for strategic military purposes.
An anti-submarine weapon (ASW) is any one of a number of devices that are intended to act against a submarine and its crew, to destroy (sink) the vessel or reduce its capability as a weapon of war.
Anti-tank warfare arose as a result of the need to develop technology and tactics to destroy tanks during World War I. Since the first tanks were developed by the Triple Entente in 1916 but not operated in battle until 1917, the first anti-tank weapons were developed by the German Empire.
In modern physics, antimatter is defined as a material composed of the antiparticle (or "partners") to the corresponding particles of ordinary matter.
An antimatter weapon is a possible device according to theories using antimatter as a power source, a propellant, or an explosive for a weapon.
Archery is the art, sport, practice or skill of using a bow to shoot arrows.
An area denial weapon or Anti Access/Area Denial (A2/AD) is a device or a strategy used to prevent an adversary from occupying or traversing an area of land, sea or air.
Arms control is a term for international restrictions upon the development, production, stockpiling, proliferation and usage of small arms, conventional weapons, and weapons of mass destruction.
The arms industry, also known as the defense industry or the arms trade, is a global industry responsible for the manufacturing and sales of weapons and military technology.
Arms trafficking, also known as gunrunning, is the trafficking of contraband weapons and ammunition.
The arquebus, derived from the German Hakenbüchse, was a form of long gun that appeared in Europe during the 15th century.
Artillery is a class of large military weapons built to fire munitions far beyond the range and power of infantry's small arms.
An axe (British English or ax (American English; see spelling differences) is an implement that has been used for millennia to shape, split and cut wood; to harvest timber; as a weapon; and as a ceremonial or heraldic symbol. The axe has many forms and specialised uses but generally consists of an axe head with a handle, or helve. Before the modern axe, the stone-age hand axe was used from 1.5 million years BP without a handle. It was later fastened to a wooden handle. The earliest examples of handled axes have heads of stone with some form of wooden handle attached (hafted) in a method to suit the available materials and use. Axes made of copper, bronze, iron and steel appeared as these technologies developed. Axes are usually composed of a head and a handle. The axe is an example of a simple machine, as it is a type of wedge, or dual inclined plane. This reduces the effort needed by the wood chopper. It splits the wood into two parts by the pressure concentration at the blade. The handle of the axe also acts as a lever allowing the user to increase the force at the cutting edge—not using the full length of the handle is known as choking the axe. For fine chopping using a side axe this sometimes is a positive effect, but for felling with a double bitted axe it reduces efficiency. Generally, cutting axes have a shallow wedge angle, whereas splitting axes have a deeper angle. Most axes are double bevelled, i.e. symmetrical about the axis of the blade, but some specialist broadaxes have a single bevel blade, and usually an offset handle that allows them to be used for finishing work without putting the user's knuckles at risk of injury. Less common today, they were once an integral part of a joiner and carpenter's tool kit, not just a tool for use in forestry. A tool of similar origin is the billhook. However, in France and Holland, the billhook often replaced the axe as a joiner's bench tool. Most modern axes have steel heads and wooden handles, typically hickory in the US and ash in Europe and Asia, although plastic or fibreglass handles are also common. Modern axes are specialised by use, size and form. Hafted axes with short handles designed for use with one hand are often called hand axes but the term hand axe refers to axes without handles as well. Hatchets tend to be small hafted axes often with a hammer on the back side (the poll). As easy-to-make weapons, axes have frequently been used in combat.
A battering ram is a siege engine that originated in ancient times and designed to break open the masonry walls of fortifications or splinter their wooden gates.
A biological agent—also called bio-agent, biological threat agent, biological warfare agent, biological weapon, or bioweapon—is a bacterium, virus, protozoan, parasite, or fungus that can be used purposefully as a weapon in bioterrorism or biological warfare (BW).
Biological warfare (BW)—also known as germ warfare—is the use of biological toxins or infectious agents such as bacteria, viruses, and fungi with the intent to kill or incapacitate humans, animals or plants as an act of war.
A blunt instrument is any solid object used as a weapon, which damages its target by applying direct mechanical force, and has no penetrating point or edge, or is wielded so that the point or edge is not the part of the weapon that inflicts the injury.
The bow and arrow is a ranged weapon system consisting of an elastic launching device (bow) and long-shafted projectiles (arrows).
The Bronze Age is a historical period characterized by the use of bronze, and in some areas proto-writing, and other early features of urban civilization.
Bronze Age swords appeared from around the 17th century BC, in the Black Sea region and the Aegean, as a further development of the dagger.
A cannon (plural: cannon or cannons) is a type of gun classified as artillery that launches a projectile using propellant.
Cavalry (from the French cavalerie, cf. cheval 'horse') or horsemen were soldiers or warriors who fought mounted on horseback.
A central government is the government of a nation-state and is a characteristic of a unitary state.
The Chalcolithic (The New Oxford Dictionary of English (1998), p. 301: "Chalcolithic /,kælkəl'lɪθɪk/ adjective Archaeology of, relating to, or denoting a period in the 4th and 3rd millennium BCE, chiefly in the Near East and SE Europe, during which some weapons and tools were made of copper. This period was still largely Neolithic in character. Also called Eneolithic... Also called Copper Age - Origin early 20th cent.: from Greek khalkos 'copper' + lithos 'stone' + -ic". χαλκός khalkós, "copper" and λίθος líthos, "stone") period or Copper Age, in particular for eastern Europe often named Eneolithic or Æneolithic (from Latin aeneus "of copper"), was a period in the development of human technology, before it was discovered that adding tin to copper formed the harder bronze, leading to the Bronze Age.
A chariot is a type of carriage driven by a charioteer using primarily horses to provide rapid motive power.
A chemical weapon (CW) is a specialized munition that uses chemicals formulated to inflict death or harm on humans.
A club (also known as a cudgel, baton, truncheon, cosh, nightstick, beating stick, or bludgeon) is among the simplest of all weapons: a short staff or stick, usually made of wood, wielded as a weapon since prehistoric times.
The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc (the Soviet Union and its satellite states) and powers in the Western Bloc (the United States, its NATO allies and others).
Cold War II (also called the New Cold War or Second Cold War) is a term used to describe an ongoing state of political and military tension between opposing geopolitical power-blocs, with one bloc typically reported as being led by Russia and/or China, and the other led by the United States, European Union, and NATO.
A combat vehicle, also known as a ground combat vehicle, is a self-propelled, weaponized military vehicle used for combat operations in mechanized warfare.
Commerce relates to "the exchange of goods and services, especially on a large scale.” Commerce includes legal, economic, political, social, cultural and technological systems that operate in any country or internationally.
The common chimpanzee (Pan troglodytes), also known as the robust chimpanzee, is a species of great ape.
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
A crew-served (crew-serve or crew service) weapon is any weapon system that requires a crew of more than one individual, as opposed to an individual service weapon, to function at optimum efficiency due to its operational complexity, such as requiring one person to load while another fires.
In ordinary language, a crime is an unlawful act punishable by a state or other authority.
A cyberweapon is a malware agent employed for military, paramilitary, or intelligence objectives.
Demining or mine clearance is the process of removing land mines from an area, while minesweeping describes the act of detecting mines.
A directed-energy weapon (DEW) is a ranged weapon system that inflicts damage at a target by emission of highly focused energy, including laser, microwaves and particle beams.
A number of hypotheses exist on many of the key issues regarding the domestication of the horse.
Bladed and edged weapons have been used throughout history for combat, hunting and in ceremonies.
Engineering is the creative application of science, mathematical methods, and empirical evidence to the innovation, design, construction, operation and maintenance of structures, machines, materials, devices, systems, processes, and organizations.
Eurosatory is an international Defence and Security industry trade fair that is held every two years in the Paris-Nord Villepinte Exhibition Centre, Paris, France.
An explosive weapon generally uses high explosive to project blast and/or fragmentation from a point of detonation.
Ferrous metallurgy is the metallurgy of iron and its alloys.
A firearm is a portable gun (a barreled ranged weapon) that inflicts damage on targets by launching one or more projectiles driven by rapidly expanding high-pressure gas produced by exothermic combustion (deflagration) of propellant within an ammunition cartridge.
A fortification is a military construction or building designed for the defense of territories in warfare; and is also used to solidify rule in a region during peacetime.
A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing energy originating in ancient photosynthesis.
Game or quarry is any animal hunted for sport or for food.
A gun is a tubular ranged weapon typically designed to pneumatically discharge projectiles that are solid (most guns) but can also be liquid (as in water guns/cannons and projected water disruptors) or even charged particles (as in a plasma gun) and may be free-flying (as with bullets and artillery shells) or tethered (as with Taser guns, spearguns and harpoon guns).
Gunpowder, also known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive.
A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors.
The Hominidae, whose members are known as great apes or hominids, are a taxonomic family of primates that includes eight extant species in four genera: Pongo, the Bornean, Sumatran and Tapanuli orangutan; Gorilla, the eastern and western gorilla; Pan, the common chimpanzee and the bonobo; and Homo, which includes modern humans and its extinct relatives (e.g., the Neanderthal), and ancestors, such as Homo erectus.
The horse (Equus ferus caballus) is one of two extant subspecies of ''Equus ferus''.
A howitzer is a type of artillery piece characterized by a relatively short barrel and the use of comparatively small propellant charges to propel projectiles over relatively high trajectories, with a steep angle of descent.
HuffPost (formerly The Huffington Post and sometimes abbreviated HuffPo) is a liberal American news and opinion website and blog that has both localized and international editions.
Hunting is the practice of killing or trapping animals, or pursuing or tracking them with the intent of doing so.
Hunting weapons are weapons designed or used primarily for hunting game animals for food or sport, as distinct from defensive weapons or weapons used primarily in warfare.
An improvised weapon is an object that was not designed to be used as a weapon but can be put to that use.
Incendiary weapons, incendiary devices or incendiary bombs are weapons designed to start fires or destroy sensitive equipment using fire (and sometimes used as anti-personnel weaponry), that use materials such as napalm, thermite, magnesium powder, chlorine trifluoride, or white phosphorus.
The Industrial Age is a period of history that encompasses the changes in economic and social organization that began around 1760 in Great Britain and later in other countries, characterized chiefly by the replacement of hand tools with power-driven machines such as the power loom and the steam engine, and by the concentration of industry in large establishments.
Industry is the production of goods or related services within an economy.
Infantry is the branch of an army that engages in military combat on foot, distinguished from cavalry, artillery, and tank forces.
An intercontinental ballistic missile (ICBM) is a guided ballistic missile with a minimum range of primarily designed for nuclear weapons delivery (delivering one or more thermonuclear warheads).
Swords made of iron (as opposed to bronze) appear from the Early Iron Age (c. 12th century BC), but do not become widespread before the 8th century BC.
An ironclad is a steam-propelled warship protected by iron or steel armor plates used in the early part of the second half of the 19th century.
Knife legislation is defined as the body of statutory law or case law promulgated or enacted by a government or other governing jurisdiction that prohibits, criminalizes, or restricts the otherwise legal manufacture, importation, sale, transfer, possession, transport, or use of knives.
A knight is a person granted an honorary title of knighthood by a monarch, bishop or other political leader for service to the monarch or a Christian Church, especially in a military capacity.
The lance is a pole weapon designed to be used by a mounted warrior or cavalry soldier (lancer).
Law enforcement is any system by which some members of society act in an organized manner to enforce the law by discovering, deterring, rehabilitating, or punishing people who violate the rules and norms governing that society.
A limited war is one in which the belligerents do not expend all of the resources at their disposal, whether human, industrial, agricultural, military, natural, technological, or otherwise in a specific conflict.
This is a list of weapons (aircraft ordnance) carried by aircraft.
Many scientific, military, medical and commercial laser applications have been developed since the invention of the laser in 1958.
Weapons used in the world's martial arts can be classified either by type of weapon or by the martial arts school using them.
This list of practice weapons, is of weapons specifically designed for practice in different martial arts from around the world.
This is a list of historical pre-modern weapons grouped according to their uses, with rough classes set aside for very similar weapons.
This is an index of lists of weapons.
A local government is a form of public administration which, in a majority of contexts, exists as the lowest tier of administration within a given state.
The lock of a firearm is the firing mechanism used to ignite the propellant.
In aeronautics and aviation, loiter is a phase of flight.
A loitering munition (also known as a suicide drone or kamikaze drone) is a weapon system category in which the munition loiters around the target area for some time, searches for targets, and attacks once a target is located.
A machine gun is a fully automatic mounted or portable firearm designed to fire bullets in rapid succession from an ammunition belt or magazine, typically at a rate of 300 rounds per minute or higher.
A magnetic weapon is one that uses magnetic fields to accelerate or stop projectiles, or to focus charged particle beams.
Maneuver warfare, or manoeuvre warfare, is a military strategy that advocates attempting to defeat the enemy by incapacitating their decision-making through shock and disruption.
Marine debris, also known as marine litter, is human-created waste that has deliberately or accidentally been released in a lake, sea, ocean or waterway.
A melee weapon, or close combat weapon, is any weapon used in direct hand-to-hand combat; by contrast with ranged weapons which act at a distance.
The Middle Easttranslit-std; translit; Orta Şərq; Central Kurdish: ڕۆژھەڵاتی ناوین, Rojhelatî Nawîn; Moyen-Orient; translit; translit; translit; Rojhilata Navîn; translit; Bariga Dhexe; Orta Doğu; translit is a transcontinental region centered on Western Asia, Turkey (both Asian and European), and Egypt (which is mostly in North Africa).
A military or armed force is a professional organization formally authorized by a sovereign state to use lethal or deadly force and weapons to support the interests of the state.
Military robots are autonomous robots or remote-controlled mobile robots designed for military applications, from transport to search & rescue and attack.
Military technology is the application of technology for use in warfare.
In modern language, a missile is a guided self-propelled system, as opposed to an unguided self-propelled munition, referred to as a rocket (although these too can also be guided).
Mountain guns are artillery pieces designed for use in mountain warfare and areas where usual wheeled transport is not possible.
A musketeer (mousquetaire) was a type of soldier equipped with a musket.
Mutual assured destruction or mutually assured destruction (MAD) is a doctrine of military strategy and national security policy in which a full-scale use of nuclear weapons by two or more opposing sides would cause the complete annihilation of both the attacker and the defender (see pre-emptive nuclear strike and second strike).
The Neolithic was a period in the development of human technology, beginning about 10,200 BC, according to the ASPRO chronology, in some parts of Western Asia, and later in other parts of the world and ending between 4500 and 2000 BC.
Non-lethal weapons, also called less-lethal weapons, less-than-lethal weapons, non-deadly weapons, compliance weapons, or pain-inducing weapons are weapons intended to be less likely to kill a living target than conventional weapons such as knives and firearms.
The nuclear arms race was a competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War.
In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei).
In nuclear physics, nuclear fusion is a reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons or protons).
Nuclear terrorism refers to an act of terrorism in which a person or people belonging to a terrorist organization detonates a nuclear device.
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or from a combination of fission and fusion reactions (thermonuclear bomb).
Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock.
Gun laws and policies (collectively referred to as firearms regulation or gun control) regulate the manufacture, sale, transfer, possession, modification and use of small arms by civilians.
A personal weapon or ordnance weapon is a weapon that is issued to an individual member of a military or paramilitary unit, e.g. to individual soldiers.
A pike is a pole weapon, a very long thrusting spear formerly used extensively by infantry.
Post-classical history (also called the Post-Antiquity era, Post-Ancient Era, or Pre-Modern Era) is a periodization commonly used by the school of "world history" instead of Middle Ages (Medieval) which is roughly synonymous.
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
A projectile is any object thrown into space (empty or not) by the exertion of a force.
A propellant or propellent is a chemical substance used in the production of energy or pressurized gas that is subsequently used to create movement of a fluid or to generate propulsion of a vehicle, projectile, or other object.
A railway gun, also called a railroad gun, is a large artillery piece, often surplus naval artillery, mounted on, transported by, and fired from a specially designed railway wagon.
A ranged weapon is any weapon that can engage targets beyond hand-to-hand distance, i.e. at distances greater than the physical reach of the weapon itself.
The Renaissance is a period in European history, covering the span between the 14th and 17th centuries.
Research and development (R&D, R+D, or R'n'D), also known in Europe as research and technological development (RTD), refers to innovative activities undertaken by corporations or governments in developing new services or products, or improving existing services or products.
The military concept of Revolution in Military Affairs (RMA) is a military-theoretical hypothesis, about the future of warfare, often connected to technological and organizational recommendations for change in the militaries of the United States and other countries.
The right of self-defense (also called, when it applies to the defense of another, alter ego defense, defense of others, defense of a third person) is the right for people to use reasonable force or defensive force, for the purpose of defending one's own life or the lives of others, including, in certain circumstances, the use of deadly force.
Riot control refers to the measures used by police, military, or other security forces to control, disperse, and arrest people who are involved in a riot, demonstration, or protest.
A rocket (from Italian rocchetto "bobbin") is a missile, spacecraft, aircraft or other vehicle that obtains thrust from a rocket engine.
A rocket is a self-propelled, unguided weapon system powered by a rocket motor.
A sail is a tensile structure—made from fabric or other membrane materials—that uses wind power to propel sailing craft, including sailing ships, sailboats, windsurfers, ice boats, and even sail-powered land vehicles.
Self-defence (self-defense in some varieties of English) is a countermeasure that involves defending the health and well-being of oneself from harm.
A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying passengers or goods, or in support of specialized missions, such as defense, research and fishing.
Shrapnel shells were anti-personnel artillery munitions which carried a large number of individual bullets close to the target and then ejected them to allow them to continue along the shell's trajectory and strike the target individually.
A siege is a military blockade of a city, or fortress, with the intent of conquering by attrition, or a well-prepared assault.
A siege engine is a device that is designed to break or circumvent heavy castle doors, thick city walls and other fortifications in siege warfare.
Small arms include handguns (revolvers and pistols) and long guns, such as rifles, carbines, shotguns, submachine guns, assault rifles, personal defense weapons, and light machine guns.
Small Arms and Light Weapons (SALW) is a term used in arms control protocols to refer to two main classes of man portable weapons.
Space weapons are weapons used in space warfare.
A spear is a pole weapon consisting of a shaft, usually of wood, with a pointed head.
A spoke is one of some number of rods radiating from the center of a wheel (the hub where the axle connects), connecting the hub with the round traction surface.
A steam engine is a heat engine that performs mechanical work using steam as its working fluid.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.
A suicide weapon is a weapon or object that is used in a suicide attack, typically based on explosives.
A sword is a bladed weapon intended for slashing or thrusting that is longer than a knife or dagger.
Technological escalation describes the situation where two parties in competition tend to employ continual technological improvements in their attempt to defeat each other.
Technology during World War I (1914–1918) reflected a trend toward industrialism and the application of mass-production methods to weapons and to the technology of warfare in general.
Technology played a significant role in World War II.
The Washington Post is a major American daily newspaper founded on December 6, 1877.
Total war is warfare that includes any and all civilian-associated resources and infrastructure as legitimate military targets, mobilizes all of the resources of society to fight the war, and gives priority to warfare over non-combatant needs.
Toy weapons are toys which imitate real weapons, but are designed for children to play with.
A trebuchet (French trébuchet) is a type of siege engine.
A trireme (derived from Latin: trirēmis "with three banks of oars"; τριήρης triērēs, literally "three-rower") was an ancient vessel and a type of galley that was used by the ancient maritime civilizations of the Mediterranean, especially the Phoenicians, ancient Greeks and Romans.
Unexploded ordnance (UXO, sometimes abbreviated as UO), unexploded bombs (UXBs), or explosive remnants of war (ERW) are explosive weapons (bombs, shells, grenades, land mines, naval mines, cluster munition, etc.) that did not explode when they were employed and still pose a risk of detonation, sometimes many decades after they were used or discarded.
War is a state of armed conflict between states, societies and informal groups, such as insurgents and militias.
A warship is a naval ship that is built and primarily intended for naval warfare.
A weapon, arm or armament is any device used with intent to inflict damage or harm.
A weapon is a tool for hunting or fighting.
A weapon mount is a weapon component used to affix an armament for stabilization.
A weapon of mass destruction (WMD) is a nuclear, radiological, chemical, biological or other weapon that can kill and bring significant harm to a large number of humans or cause great damage to human-made structures (e.g., buildings), natural structures (e.g., mountains), or the biosphere.
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
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