Dashed left edge = started before this timeline ·
Dashed right edge = still ongoing
Netherlands 38
12 BCRomans reach the RhineFrontier of the EmpireRoman armies under Drusus campaign along the Rhine, which becomes the northern frontier (limes) of the Empire. Settlements such as Nijmegen and Utrecht grow from Roman roots.
695Willibrord, Apostle of the FrisiansChristianisation beginsThe missionary Willibrord is consecrated bishop and establishes Utrecht as a centre of Christianity, beginning the conversion of the Frisian and Frankish lands.
1287St. Lucia's FloodThe Zuiderzee is bornA catastrophic storm surge kills tens of thousands and tears open the Zuiderzee, reshaping the coastline — an early chapter in the Dutch struggle against the sea.
1421St. Elizabeth's FloodVillages lost to the waterThe St. Elizabeth's Flood drowns the Grote Waard in Holland, submerging dozens of villages and creating the Biesbosch wetlands.
1566The BeeldenstormIconoclastic furyCalvinist crowds storm Catholic churches across the Low Countries, smashing images and altars — the spark that hardens Spanish repression and ignites open revolt.
1572Capture of Den BrielThe Sea BeggarsThe Watergeuzen (Sea Beggars) seize the town of Den Briel, the first lasting rebel foothold and a turning point in the war against Spain.
1579Union of UtrechtNorthern provinces uniteThe northern provinces of the Low Countries sign the Union of Utrecht, forming a political and military alliance against Habsburg Spain — a foundational step toward the Dutch Republic.
1581Act of AbjurationIndependence from Spain declaredWith the Plakkaat van Verlatinghe, the rebelling provinces formally renounce allegiance to King Philip II of Spain — in effect a declaration of independence.
1584Assassination of William of OrangeThe father of the fatherlandWilliam the Silent, leader of the revolt, is shot dead in Delft by Balthasar Gérard — the first head of state assassinated with a handgun. He is remembered as the Vader des Vaderlands.
1602 – 1799Rise and fall of the VOCTwo centuries of empireAcross nearly two centuries the VOC builds a trading empire from the Cape to Japan before collapsing under debt and corruption, dissolved in 1799.
1602Dutch East India Company (VOC) foundedWorld's first multinationalThe VOC is chartered, becoming the world's first multinational corporation and the engine of Dutch global trade, with its own fleets, colonies and currency.
1609Twelve Years' Truce & Bank of AmsterdamCommercial powerhouseA truce with Spain brings respite, while the Amsterdamsche Wisselbank (founded 1609) makes Amsterdam the financial centre of Europe.
1621Dutch West India Company (WIC)Atlantic trade & coloniesThe WIC is chartered to wage trade and war in the Atlantic, founding New Amsterdam (later New York) and driving Dutch involvement in the Americas and the slave trade.
1648Peace of WestphaliaIndependence recognisedThe Peace of Westphalia ends the Eighty Years' War and formally recognises the independence of the Dutch Republic, sealing its emergence as a sovereign power.
1648The Golden Age at its heightRembrandt, Vermeer & scienceThe mid-17th century sees an extraordinary flourishing of painting (Rembrandt, Vermeer), science (Huygens) and philosophy (Spinoza), funded by global trade.
1667Raid on the MedwayDutch navy humbles EnglandIn the Anglo-Dutch Wars, Admiral Michiel de Ruyter's fleet raids the Medway and tows away the English flagship — the high-water mark of Dutch naval power.
1672Rampjaar (Disaster Year)Invaded on all sidesIn the "Disaster Year" the Republic is attacked by France, England and two German bishoprics at once. The Dutch say the people were "redeloos, radeloos en reddeloos" — irrational, desperate and beyond saving.
1688The Glorious RevolutionA Dutchman on the English throneStadtholder William III sails to England and, with his wife Mary, takes the English throne — binding Dutch and British fortunes for a generation.
1795Batavian RepublicFrench revolutionary eraFrench revolutionary forces and Dutch Patriots establish the Batavian Republic, ending the old Republic and beginning two decades of French-aligned and then Napoleonic rule.
1815Kingdom of the NetherlandsUnited Kingdom under William IAfter Napoleon's defeat, the Congress of Vienna creates the United Kingdom of the Netherlands under William I, uniting the northern and southern Low Countries and Luxembourg.
1830Belgium secedesSouthern provinces break awayThe Belgian Revolution splits the southern provinces from the Kingdom, reducing the Netherlands roughly to its present northern borders.
1839First railway: Amsterdam–HaarlemThe industrial age arrivesThe Netherlands' first railway opens between Amsterdam and Haarlem, beginning the slow industrialisation of a nation long built on trade and agriculture.
1848Birth of the constitutional monarchyPower shifts to parliamentAmid Europe's revolutions, King William II accepts Thorbecke's reforms, transforming the Netherlands into a modern constitutional monarchy.
1848Constitution of ThorbeckeParliamentary democracyJohan Rudolph Thorbecke's liberal constitution makes the monarch's ministers accountable to parliament, laying the foundation of Dutch parliamentary democracy.
1863Abolition of slaveryEmancipation in the coloniesThe Netherlands abolishes slavery in Suriname and the Caribbean colonies, freeing tens of thousands — though with a ten-year forced "apprenticeship".
1914 – 1918Neutral in the Great WarAn island of peaceThe Netherlands stays neutral throughout the First World War, sheltering nearly a million Belgian refugees while struggling with shortages.
1917Universal suffrage & the PacificationMass democracyThe Pacification of 1917 settles the school funding struggle and ushers in proportional representation; universal male (1917) and female (1919) suffrage follow.
1932The AfsluitdijkTaming the ZuiderzeeThe 32-km Afsluitdijk is completed, closing off the Zuiderzee to create the freshwater IJsselmeer and vast new polders — a landmark of Dutch hydraulic engineering.
1940 – 1945German occupation in WWIIHongerwinter & liberationNazi Germany occupies the neutral Netherlands from 1940; the country endures the deportation of its Jewish population and the 1944–45 "Hunger Winter" before liberation in May 1945.
1944Operation Market GardenA bridge too farThe Allied airborne assault to seize the Rhine bridges fails at Arnhem, leaving the north under occupation through the deadly Hunger Winter of 1944–45.
1949Indonesian independenceEnd of empire in the EastAfter four years of war, the Netherlands recognises the independence of Indonesia, ending three and a half centuries of colonial presence in the East Indies.
1953North Sea FloodThe WatersnoodrampA catastrophic North Sea storm surge floods Zeeland and South Holland, killing more than 1,800 people and prompting the Delta Works — among the largest flood-defence projects in history.
1957Founding member of the EECTreaty of RomeThe Netherlands is a founding member of the European Economic Community, the forerunner of the European Union, cementing its post-war turn toward European integration.
1980Accession of Queen BeatrixModern monarchyQueen Beatrix accedes to the throne, reigning until her abdication in 2013 in favour of her son Willem-Alexander, the first Dutch king in over a century.
1997Treaty of AmsterdamDeepening the EUThe Treaty of Amsterdam, signed in the Dutch capital, reforms the European Union — one of several EU milestones hosted by the Netherlands.
2001First country to legalise same-sex marriageA social firstThe Netherlands becomes the first country in the world to open civil marriage to same-sex couples, reflecting its long liberal-progressive tradition.
2008Completion of the Delta WorksDefending the lowlandThe Maeslantkering and the wider Delta Works — begun after the 1953 flood — are completed, among the largest storm-surge defences ever built.
2013King Willem-AlexanderA king after three queensQueen Beatrix abdicates in favour of her son Willem-Alexander, who becomes the first Dutch king since 1890 after more than a century of queens.
Belgium 36
57 BCCaesar and the BelgaeThe bravest of the GaulsJulius Caesar conquers the Belgic tribes, writing that "of all the Gauls, the Belgae are the bravest." The Roman province of Gallia Belgica gives the country its name.
843Treaty of VerdunDivided down the ScheldtThe partition of Charlemagne's empire splits the Low Countries along the Scheldt — a fault line between French and German spheres that shapes Belgian history for a millennium.
1134Rise of the Flemish cloth townsBruges, Ghent, YpresFlanders' cloth industry makes Bruges, Ghent and Ypres among the richest cities north of the Alps, with powerful guilds and far-reaching trade.
1302Battle of the Golden SpursFlemish militia defeat FranceAt Kortrijk, a Flemish militia of townsmen defeats the French royal army — a celebrated moment of Flemish civic pride, still commemorated on 11 July, the holiday of the Flemish Community.
1384Burgundian inheritancePhilip the BoldFlanders passes to the Dukes of Burgundy, beginning the unification of the Low Countries under a single brilliant court.
1430Burgundian Low CountriesWealth of Flanders & BrabantUnder the Dukes of Burgundy the Low Countries flourish, with Bruges, Ghent and Antwerp becoming among the richest and most cultured cities in Europe.
1432The Ghent AltarpieceFlemish PrimitivesJan van Eyck completes the Ghent Altarpiece, a masterpiece of the Flemish Primitives whose oil technique revolutionises European painting.
1500Birth of Charles V in GhentA Habsburg emperorThe future Holy Roman Emperor Charles V is born in Ghent; under him the seventeen provinces of the Low Countries are united in a single realm.
1568 – 1648Eighty Years' War in the southStaying Catholic & SpanishWhile the north rebels successfully, the southern provinces are reconquered for Catholic Spain — the lasting division between the future Belgium and the Netherlands.
1585Fall of AntwerpThe Low Countries divideThe Spanish recapture of Antwerp splits the Low Countries: the Protestant north becomes the Dutch Republic, while the Catholic south — the future Belgium — remains under Spanish Habsburg rule.
1695Bombardment of BrusselsThe Grand Place destroyedFrench artillery devastates Brussels, destroying the Grand Place — soon rebuilt in the ornate Baroque guildhalls that still define the city.
1714Austrian NetherlandsFrom Spanish to Austrian ruleAfter the War of the Spanish Succession, the southern Netherlands pass from Spanish to Austrian Habsburg control under the Treaty of Rastatt.
1789 – 1790Brabant RevolutionA short-lived republicA revolt against Austrian rule briefly creates the United Belgian States — an early, fleeting assertion of Belgian self-rule before Austria restores control.
1795Annexed by FranceRevolutionary FranceRevolutionary France annexes the southern Netherlands, ending Austrian rule and bringing two decades of French administration and reform.
1815Battle of WaterlooNapoleon's final defeatOn Belgian soil south of Brussels, Wellington and Blücher defeat Napoleon for the last time — one of history's most consequential battles.
1830La Muette de PorticiAn opera sparks revoltA performance of the opera La Muette de Portici in Brussels stirs the crowd into the uprising that becomes the Belgian Revolution.
1830Belgian RevolutionIndependence proclaimedSparked by unrest in Brussels, the Belgian Revolution forces out Dutch troops, and a provisional government proclaims independence on 4 October 1830.
1831Leopold I crownedA constitutional monarchyLeopold of Saxe-Coburg-Gotha is installed as the first King of the Belgians on 21 July 1831, and a liberal constitution establishes a popular constitutional monarchy.
1835First railway on the ContinentBrussels–MechelenBelgium opens continental Europe's first passenger railway between Brussels and Mechelen, becoming an early industrial powerhouse in coal and steel.
1839Treaty of LondonIndependence & neutrality recognisedThe Treaty of London formally recognises Belgian independence and guarantees its neutrality — the "scrap of paper" Germany would violate in 1914.
1865Leopold II takes the throneThe Congo to comeLeopold II becomes king and soon pursues a personal colonial empire in central Africa — a reign of industrial growth at home and brutal exploitation abroad.
1885Congo Free StateA king's private colonyLeopold II establishes the Congo Free State as personal property; its rubber regime causes millions of deaths before international outcry forces its transfer to the Belgian state in 1908.
1914The Rape of BelgiumInvasion and atrocityGermany's invasion and the destruction of Leuven's library and other atrocities shock the world and become a rallying cry for the Allied cause.
1914 – 1918German invasion & WWINeutrality violatedGermany invades neutral Belgium in August 1914, triggering British entry into the First World War. Much of the war on the Western Front is fought on Belgian soil, including Ypres.
1917PasschendaeleThe mud of Flanders FieldsThe Third Battle of Ypres becomes a byword for the futility of trench warfare; the poppies of Flanders Fields become the enduring symbol of remembrance.
1940 – 1944Occupation in WWIIInvaded againGermany overruns Belgium once more in 1940; the country endures four years of occupation, resistance and the deportation of its Jews before liberation in 1944.
1944The Benelux UnionSmall nations togetherExiled governments sign the customs union that becomes Benelux — a model and forerunner for wider European integration.
1958Founding member of the EEC & Expo 58Heart of EuropeBelgium is a founding member of the European Economic Community, and Brussels hosts Expo 58 under the new Atomium — symbolising its post-war role at the centre of European integration.
1958Expo 58 & the AtomiumBrussels looks to the futureThe first major post-war World's Fair opens in Brussels beneath the gleaming Atomium, symbolising a confident, modern, Europe-facing Belgium.
1960Congo independenceEnd of empireThe Belgian Congo becomes independent amid turmoil, abruptly ending Belgium's African empire.
1962The Language Border fixedDutch, French & GermanBelgium fixes the official linguistic boundary between Dutch-speaking Flanders and French-speaking Wallonia — institutionalising the divide that drives later federalisation.
1967NATO moves to BrusselsCapital of the allianceNATO relocates its headquarters to Brussels, reinforcing the city's emerging role as a hub of Western institutions.
1993A federal kingdomRegions and communitiesConstitutional reform makes Belgium a federal state; the same year King Baudouin dies and is succeeded by his brother Albert II.
1993Federal BelgiumFlanders, Wallonia & BrusselsA constitutional reform turns Belgium into a federal state of language-based regions and communities, formalising the balance between Dutch-speaking Flanders, French-speaking Wallonia and bilingual Brussels.
2010 – 2011589 days without a governmentA world recordDeadlock between Flemish and Walloon parties leaves Belgium without an elected federal government for a record 589 days — a striking symbol of its linguistic tensions.
2013King PhilippeA new reignAlbert II abdicates in favour of his son Philippe, the seventh King of the Belgians, who reigns over the modern federal kingdom.