In the southeast of the province sits Tongeren, and Tongeren is older than Belgium by about two thousand years. The Romans called it Aduatuca Tungrorum, founded around 15 BC as the administrative seat of the Tungri tribe, whose territory the legions had organized into the civitas Tungrorum after Caesar's grim work against the Eburones. Tongeren is the only Roman-founded city in the province, and Belgians regard it as their oldest. Walk its market square today and you can still see fragments of the Roman wall, the only such walls visible above ground in Belgium. From Tongeren, Christianity spread north into the Frankish countryside under Saint Servatius in the 4th century, and later under Lambert of Maastricht, whose murder in 705 helped move the church capital to Liege - the same Liege whose prince-bishops would, for nearly seven centuries, also rule the County of Loon.

Cross the Demer river that bisects the province east to west and you cross between two geographies and two histories. The south is Haspengouw - in French, Hesbaye - where the soils are loess-rich and fertile, where cherries and pears and apples ripen in such quantity that more than half of all the fruit grown in Belgium comes from this single province. The north is Campine - in Dutch, Kempen - where the soils are sandy and acidic, where heath and pine took over after late-Roman depopulation, and where for most of recorded history almost nobody lived. The split was so old that the Romans already used different names for it. In Caesar's day, the south held the Eburones who fought him under Ambiorix, while the north was Texandria, a name that survives in the modern Wikipedia entry for the Salian Franks who eventually settled it.

Everything changed when the Campine coal was found. Starting in the late 19th century and accelerating after the First World War, deep shafts were sunk at Beringen, Heusden-Zolder, Houthalen-Helchteren, Genk. A region that had been monks and shepherds for a thousand years became, almost overnight, an immigrant industrial frontier. Italians came first, then Greeks, Spaniards, Turks, Moroccans. Genk in particular became one of the most multicultural cities in Flanders, and remains so. Ford built a major car plant there. Philips put a major operation in Kiewit. The Limburgish dialect, already its own thing - close to standard Dutch in the west, drifting toward German near the Maas - took on Mediterranean inflections in mining-town schoolyards. The Ford plant closed in December 2014. The mines had closed earlier. What replaced them is a research-and-tourism economy: Thor Park on the old Genk mine site now houses Energyville and an outpost of IMEC, while the Limburg tourist board sells the whole province as a Fietsparadijs, a bicycle paradise.

The reinvention has been thorough. Belgium opened its first - and so far only - national park here in March 2006: Hoge Kempen, nearly sixty square kilometers of restored heathland and pine forest east of Genk, climbing toward the Meuse. The Bokrijk open-air museum near Genk preserves the carpentry, ironwork, and schoolrooms of the pre-industrial Campine. Sint-Truiden in the south has its main market square and the abbey of Saint Trudo, the saint who gave the town its name in the 7th century. The Circuit Zolder at Heusden-Zolder still hosts car racing on land that was once meant to be mined. In Hasselt, the capital since 1839, Pukkelpop draws music crowds each August. None of these things make Limburg loud. The province has retained, even through its industrial century, a temperament that prefers a long bike ride through orchards to a busy square.

Belgian Limburg got its name only in 1815, became officially Flemish only in 1962, and received its own Catholic diocese only in 1967, separating at last from the centuries-old jurisdiction of Liege. For most of European history, it was a peripheral piece of someone else's territory - the Tungri's, the prince-bishops', the French department of the Lower Meuse, the United Kingdom of the Netherlands. The detached municipality of Voeren, which joined the province only in 1977, is a French-speaking-tinged Flemish exclave surrounded by Wallonia and the Netherlands, a final geographic joke at the province's expense. With 900,000 people in 2024, Limburg remains the least dense and most reflective of Flanders's five provinces - the one that grew its trees back after the coal, kept the orchards in the south, and learned, more slowly than its neighbors, how to be itself.