The military history of Luxembourg is central to the formation of

Luxembourg Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...

as a nation from its formation around

Luxembourg Castle The Bock ( lb, Bockfiels) is a promontory in the north-eastern corner of Luxembourg City's old historical district. Offering a natural fortification, its rocky cliffs tower above the River Alzette, which surrounds it on three sides. It was here t ...

in 963. A place of strategic military significance, Luxembourg had been fortified since the 10th century by over of walls and towers. Ruled by the

House of Luxembourg The House of Luxembourg ( lb, D'Lëtzebuerger Haus; french: Maison de Luxembourg; german: Haus Luxemburg) or Luxembourg dynasty was a royal family of the Holy Roman Empire in the Late Middle Ages, whose members between 1308 and 1437 ruled as king ...

in the early medieval period, Luxembourg was subsequently invaded by the

Bourbons The House of Bourbon (, also ; ) is a European dynasty of French origin, a branch of the Capetian dynasty, the royal House of France. Bourbon kings first ruled France and Navarre in the 16th century. By the 18th century, members of the Spanish ...

Habsburgs The House of Habsburg (), alternatively spelled Hapsburg in Englishgerman: Haus Habsburg, ; es, Casa de Habsburgo; hu, Habsburg család, it, Casa di Asburgo, nl, Huis van Habsburg, pl, dom Habsburgów, pt, Casa de Habsburgo, la, Domus Hab ...

Hohenzollerns The House of Hohenzollern (, also , german: Haus Hohenzollern, , ro, Casa de Hohenzollern) is a German royal (and from 1871 to 1918, imperial) dynasty whose members were variously princes, electors, kings and emperors of Hohenzollern, Brandenbu ...

, and the

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

, among others.

19th century

After the defeat of

Napoleon Napoleon Bonaparte ; it, Napoleone Bonaparte, ; co, Napulione Buonaparte. (born Napoleone Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French military commander and political leader who ...

in 1815, Luxembourg was disputed between

Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an em ...

and the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

. The

Belgian Revolution The Belgian Revolution (, ) was the conflict which led to the secession of the southern provinces (mainly the former Southern Netherlands) from the United Kingdom of the Netherlands and the establishment of an independent Kingdom of Belgium. T ...

of 1830–1839 reduced Luxembourg's territory by more than half, as the predominantly

francophone French became an international language in the Middle Ages, when the power of the Kingdom of France made it the second international language, alongside Latin. This status continued to grow into the 18th century, by which time French was the l ...

western part of the country was transferred to

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...

. Luxembourg's independence was reaffirmed by the 1839 First Treaty of London and again by the 1867

Second Treaty of London The Treaty of London (also known as the Second Treaty of London) was proposed by England, accepted by France, and signed in 1359. After Edward the Black Prince soundly defeated the French at Poitiers (during the Hundred Years' War), where the ...

, after the

Luxembourg Crisis The Luxembourg Crisis (german: Luxemburgkrise, french: Crise luxembourgeoise) was a diplomatic dispute and confrontation in 1867 between France and Prussia over the political status of Luxembourg. The confrontation almost led to war between the ...

nearly led to war between Prussia and France. The

King of the Netherlands King of The Netherlands (Dutch language, Dutch: ''Koning der Nederlanden'') is the title of the Dutch head of state. The king serves as the Head of state, head of state of the Kingdom of the Netherlands, which includes the constituent nations of ...

remained

Head of State A head of state (or chief of state) is the public persona who officially embodies a state Foakes, pp. 110–11 " he head of statebeing an embodiment of the State itself or representatitve of its international persona." in its unity and l ...

Grand Duke of Luxembourg The Grand Duke of Luxembourg ( lb, Groussherzog vu Lëtzebuerg, french: Grand-duc de Luxembourg, german: Großherzog von Luxemburg) is the monarchical head of state of Luxembourg. Luxembourg has been a grand duchy since 15 March 1815, when it w ...

, maintaining

personal union A personal union is the combination of two or more states that have the same monarch while their boundaries, laws, and interests remain distinct. A real union, by contrast, would involve the constituent states being to some extent interlink ...

between the two countries until 1890. At the death of

William III William III or William the Third may refer to: Kings * William III of Sicily (c. 1186–c. 1198) * William III of England and Ireland or William III of Orange or William II of Scotland (1650–1702) * William III of the Netherlands and Luxembourg ...

, the Dutch throne passed to his daughter Wilhelmina, while Luxembourg (at that time restricted to male heirs by the

Nassau Family Pact The Nassau Family Pact was a mutual pact of inheritance and succession made in 1783 by princes of the House of Nassau. It confirmed that Salic Law was to operate in favor of all the agnatic lines of the family, specifically the two senior survivin ...

) passed to Adolph of Nassau-Weilburg.Kreins (2003), p. 84

World War II

Luxembourg Troops Fight With United Nations- Training With the Belgian Army in England, UK, 1943 D16778

During

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

, Luxembourg abandoned its policy of neutrality, when it joined the

Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...

in fighting

Nazi Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in ...

Germany. It was again invaded and subject to

German occupation German-occupied Europe refers to the sovereign countries of Europe which were wholly or partly occupied and civil-occupied (including puppet governments) by the military forces and the government of Nazi Germany at various times between 1939 an ...

in the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

in 1940, and was formally annexed into the

Third Reich Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

in 1942. Its government,

exiled ''Exiled'' () is a 2006 Hong Kong action drama film produced and directed by Johnnie To, and starring Anthony Wong, Francis Ng, Nick Cheung, Josie Ho, Roy Cheung and Lam Suet, with special appearances by Richie Jen and Simon Yam. The action ta ...

London London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...

, set up a small group of volunteers who participated in the

Normandy invasion Operation Overlord was the codename for the Battle of Normandy, the Allied operation that launched the successful invasion of German-occupied Western Europe during World War II. The operation was launched on 6 June 1944 (D-Day) with the Norma ...

. It became a founding member of the

United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooperation, and be ...

in 1946, and of

NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two No ...

in 1949. The contribution Luxembourg makes to its defence and to NATO consists of a small

army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

(currently consisting of around 800 people). As a landlocked country, it has no

navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and ...

Korean War

During the

Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...

, Luxembourg contributed a 44-man contingent, attached to the

Belgian Belgian may refer to: * Something of, or related to, Belgium * Belgians, people from Belgium or of Belgian descent * Languages of Belgium, languages spoken in Belgium, such as Dutch, French, and German *Ancient Belgian language, an extinct language ...

contingent, to the United Nations force. Luxembourg achieved the dual distinction of deploying the largest proportion of its military force (10%) amongst all states contributing to the United Nations forces, and suffering the highest proportion of casualties (more than one third) amongst all United Nations contingents.

Present

Luxembourg also lacks an

air force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an a ...

, though the seventeen NATO AWACS aeroplanes are for convenience registered as aircraft of Luxembourg. In accordance with a joint agreement with

, both countries have put forth funding for one

A400M The Airbus A400M AtlasNamed after the Greek mythological figure. is a European four-engine turboprop military transport aircraft. It was designed by Airbus Military (now Airbus Defence and Space) as a tactical airlifter with strategic capabil ...

military cargo plane, currently on order. Luxembourg still jointly maintains three NATO

Boeing 707 The Boeing 707 is an American, long-range, narrow-body airliner, the first jetliner developed and produced by Boeing Commercial Airplanes. Developed from the Boeing 367-80 prototype first flown in 1954, the initial first flew on December 20, ...

model TCAs (for cargo and training purposes) based at

NATO Air Base Geilenkirchen NATO Air Base Geilenkirchen (E-3A Component) is located near Geilenkirchen, North Rhine-Westphalia, Germany. It is the main operating base of the NATO Boeing E-3 Sentry Component, one of two operational elements of the NATO Airborne Early Warnin ...

Notes

{{Military history of Europe