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From Count Siegfried's castle in 963 to a founding member of the EU and a global financial hub: the key dates that explain today's Luxembourg.
Why does a country of fewer than 700,000 people host EU institutions, speak three languages and manage one of the world's largest investment fund centres? The answer lies in a thousand years of history that began on a rocky promontory above the Alzette valley.
In 963, Count Siegfried acquired a small fortified rock called Lucilinburhuc — the origin of the name Luxembourg. The county grew, became a duchy in 1354, and gave the Holy Roman Empire several emperors, including Henry VII and Charles IV. Its strategic position attracted the great powers: Burgundians, Spanish, French, Austrians and Prussians all held and reinforced the fortress, which became so formidable it was nicknamed the 'Gibraltar of the North'.
| Year | Event |
|---|---|
| 963 | Count Siegfried acquires the Lucilinburhuc rock |
| 1354 | Luxembourg becomes a duchy |
| 1815 | Congress of Vienna: Luxembourg becomes a Grand Duchy |
| 1839 | Treaty of London: the territory takes its current borders |
| 1867 | Neutrality declared; the fortress is dismantled |
| 1890 | Own dynasty: the House of Nassau-Weilburg |
| 1940–1944 | Nazi occupation during the Second World War |
| 1952 | Luxembourg City hosts the High Authority of the ECSC |
| 1994 | Old town and fortifications listed as UNESCO World Heritage |
Independence took shape in the 19th century, and prosperity came from the red earth of the south: the steel industry, symbolised by ARBED (founded in 1911), made Luxembourg an industrial power. When steel declined in the 1970s, the country reinvented itself as a financial centre — banking, and above all investment funds — while diversifying into media, logistics, technology and space. A founding member of the UN's early institutions' host continent bodies, Benelux, NATO and the European Communities, Luxembourg remains a laboratory of European integration.
The national motto, 'Mir wëlle bleiwe wat mir sinn' — we want to remain what we are — was forged in the 19th century, yet what Luxembourg 'is' has never stopped evolving. During the Second World War, Grand Duchess Charlotte's radio broadcasts from exile made the monarchy a symbol of resistance, commemorated today at the National Resistance Museum in Esch-sur-Alzette. Since then, the country has transformed demographically: nearly half of today's residents are foreign nationals, representing over 170 nationalities, and the economy depends daily on some 200,000 cross-border workers. The fortress mentality gave way to one of Europe's most open societies — arguably the most Luxembourgish transformation of all.
