Officially titled the ''Netherlands–Belgium–Luxembourg Customs Convention'', the London Customs Convention was the treaty that established the Benelux Customs Union on 5 September 1944. The word "Benelux" comes from an

acronym An acronym is a type of abbreviation consisting of a phrase whose only pronounced elements are the initial letters or initial sounds of words inside that phrase. Acronyms are often spelled with the initial Letter (alphabet), letter of each wor ...

of the countries' names, Belgium, Netherlands, and Luxembourg.

Background

After

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 ...

, the Belgium-Luxembourg Economic Union formed in 1921, establishing a fixed parity between the

Belgian franc The Belgian franc was the currency of the Kingdom of Belgium from 1832 until 2002 when the euro was introduced. It was subdivided into 100 subunits, each known as a in Dutch, or in French and German. History The ''gulden'' (guilder) of 20 ''st ...

and Luxembourgian franc, which was only revised in 1935 and 1944. The success of this union inspired the governments of

Belgium Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...

Luxembourg Luxembourg, officially the Grand Duchy of Luxembourg, is a landlocked country in Western Europe. It is bordered by Belgium to the west and north, Germany to the east, and France on the south. Its capital and most populous city, Luxembour ...

, and the

Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...

, all in exile from

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 ...

in 1944, to meet in London and create the larger Benelux Customs Union. Ratified in

The Hague The Hague ( ) is the capital city of the South Holland province of the Netherlands. With a population of over half a million, it is the third-largest city in the Netherlands. Situated on the west coast facing the North Sea, The Hague is the c ...

in 1947, the London Customs Convention came into force in 1948 and lasted until 1960 when it was superseded by the stronger Benelux Economic Union, signed in The Hague in 1958. Besides initiating the Benelux Parliament in 1955, the Benelux countries went on to found the

European Coal and Steel Community The European Coal and Steel Community (ECSC) was a European organization created after World War II to integrate Europe's coal and steel industries into a single common market based on the principle of supranationalism which would be governe ...

with

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

, and

West Germany West Germany was the common English name for the Federal Republic of Germany (FRG) from its formation on 23 May 1949 until German reunification, its reunification with East Germany on 3 October 1990. It is sometimes known as the Bonn Republi ...

, foreshadowing the modern

European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...

References

{{Reflist History of international trade Benelux Treaties of Belgium Treaties of Luxembourg Treaties of the Netherlands Treaties concluded in 1944 Treaties entered into force in 1948 Belgium in World War II Luxembourg in World War II Netherlands in World War II Currency treaties 1944 in London Customs treaties September 1944 in the United Kingdom London in World War II