These are the selected anniversaries for September that appear on the Belgium portal. The "edit" links edit the portal subpages that are displayed as sections here.

September 1

• 1067: death of Baldwin V, Count of Flanders
• 1855: birth of Eugène Boch, painter and art collector
• 1920: birth of Hubert Lampo, writer

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September 2

• 1606: death of Carel van Mander, painter and art historian
• 1912: birth of Johan Daisne, writer
• 1942: birth of Eric de Kuyper, writer and film director
• 1947: birth of Louis Michel, politician, European Commissioner for Development and Humanitarian Aid
• 1962: birth of Gilbert Bodart, goal keeper, played 12 times for the Belgium national football team
• 1968: death of Ernest Claes, author

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September 3

• 1666: founding of the City of Charleroi, it is named in honour of Charles II of Spain
• 1931: birth of Guy Spitaels, politician, Minister-President of the Walloon Region between 1992 and 1994

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September 4

• 1925: birth of Leo Apostel, philosopher
• 1944 - World War II: the British 11th Armoured Division liberates the Belgian city of Antwerp
• 1965: birth of Marc Degryse, soccer player with 63 appearances with the Belgium national football team, scoring 23 goals
• 1976: birth of Bjorn Haneveer, snooker player, European Champion in 2000
• 1989: death of Georges Simenon (pictured), prolific writer, creator of Maigret, winner of the Mystery Writers of America Grand Master Award
• 2006: death of Rémy Belvaux, film director, also producer and actor in Man Bites Dog

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September 5

• 1235: death of Henry I, Duke of Brabant, father-in-law of Otto IV, Holy Roman Emperor
• 1659: death of Pieter de Carpentier (pictured), born in Antwerp, Governor-General of the Dutch East Indies between 1623 and 1627
• 1771: birth of Archduke Charles, Duke of Teschen, last Governor of the Habsburg Netherlands
• 1940: death of Charles de Broqueville, Prime Minister of Belgium during World War I
• 1977: death of Marcel Thiry, poet

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September 6

• 1535: birth of Emanuel van Meteren, historian
• 1881: death of Jean-Baptiste Nothomb, Prime Minister of Belgium between 1841 and 1845
• 1884: birth of Julien Lahaut, politician, chairman of the Communist Party of Belgium, murdered in 1950
• 1944 - World War II: the city of Ypres is liberated by Allied forces

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September 7

• 1838: birth of Louis de la Censerie, architect
• 1930: birth of Baudouin of Belgium (pictured), King of the Belgians from 1951 to 1993

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September 8

• 1907: birth of Jean Aerts, cyclist, World Champion in 1935
• 1948: birth of Jean-Pierre Monseré, cyclist, 1970 World Champion

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September 9

• 1569: death of Pieter Brueghel the Elder, painter
• 1924: birth of Rik Van Steenbergen, cyclist, thrice World Champion and winner of many classics
• 1947: death of Victor Horta, Art Nouveau architect

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September 10

• 918: death of Baldwin II, Count of Flanders
• 1419: death of John the Fearless, Count of Flanders
• 1883: death of Hendrik Conscience, writer

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September 11

• 1892: birth of Lucien Buysse, cyclist, winner of the 1926 Tour de France
• 1937: birth of Queen Paola of Belgium, wife of Albert II of Belgium
• 1962: birth of Philip Dewinter, one of the leading members of the extreme right political party Vlaams Belang
• 1972: birth of Matthew Gilmore, cyclist, silver medalist at the 2000 Summer Olympics in Sydney

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September 12

• 1858: birth of Fernand Khnopff, Symbolist painter
• 1920: closing ceremony of the 1920 Summer Olympics in Antwerp
• 1926: birth of Paul Janssen, pharmacologist, founder of Janssen Pharmaceutica
• 1985: birth of Jonatan Cerrada, singer, winner of the first A La Recherche De La Nouvelle Star, the French version of Pop Idol

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September 13

• 1598: death of Philip II of Spain, ruler over most of the territory of current Belgium
• 1650: death of Ferdinand of Bavaria, prince-bishop of the Prince-Bishopric of Liège
• 1945: birth of Noël Godin, writer, actor and "entarteur", cream pie flinger
• 1979: birth of Geike Arnaert, singer of Hooverphonic

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September 14

Portal:Belgium/Anniversaries/September/September 14

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September 15

• 1586: birth of Antonius Sanderus, historian, author of Flandria Illustrata
• 1883: death of Joseph Plateau, physicist, early experimenter with cinema

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September 16

• 1604: end of the Siege of Ostend after three years with a Spanish victory, but at a cost of 60,000 dead or wounded Spaniards and 30,000 dead or wounded Dutch
• 1983: birth of Katerine Avgoustakis, singer, winner of the Belgian Star Academy in 2005, known as Katerine

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September 17

• 1322: death of Robert III of Flanders, nicknamed "The Lion of Flanders", Count of Flanders
• 1665: death of Philip IV of Spain, King of Spain and ruler over most of the current territory of Belgium
• 1679: death of John of Austria the Younger, Governor of the Habsburg Netherlands
• 1903: birth of George Koltanowski, holder of the world record for most simultaneous blindfolded chess games
• 1964: death of Jean Ray, writer, also known as John Flanders, best known for his numerous fantastique works
• 1999: death of Henri Storck, documentary film director

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September 18

• 1505: birth of Maria of Austria, third Governor of the Habsburg Netherlands
• 1560: birth of Pedro Henriquez de Acevedo, Count of Fuentes, Governor of the Habsburg Netherlands
• 1718: birth of Maria Anna of Habsburg, Governor of the Habsburg Netherlands
• 1973: death of Théo Lefèvre, politician, Prime Minister of Belgium between 1961 and 1965

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September 19

• 1473: death of John Brugman, preacher
• 1587: death of Pamelius, theologian and bishop
• 1919: birth of Briek Schotte, cyclist, twice World Champion and Tour of Flanders winner
• 1941: birth of Gérard Corbiau, film director, best known for Farinelli Il Castrato

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September 20

• 1085: death of Hermann II, Count Palatine of Lotharingia, Count of Brabant
• 1460: death of Gilles Binchois, Renaissance composer
• 1608: birth of Luis de Benavides Carrillo, Marquis of Caracena, Governor of the Habsburg Netherlands
• 1852: birth of Baron Empain, entrepreneur, founder of the modern Heliopolis
• 1859: birth of Cyriel Buysse, writer
• 1914: birth of Marcel Kint, cyclist, winner of Paris–Roubaix and the 1938 World Cycling Championship
• 1942: birth of Robbe De Hert, film director
• 1970: birth of Gert Verheyen, soccer player with 50 appearances with the Belgium national football team

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September 21

Portal:Belgium/Anniversaries/September/September 21

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September 22

• 1816: birth of Charles Leickert, landscape painter
• 1958: birth of Eddy Planckaert, cyclist, winner of Paris–Roubaix and the Tour of Flanders
• 1973: death of Paul van Zeeland, politician, Prime Minister of Belgium between 1935 and 1937
• 1984: marriage of Princess Astrid of Belgium and Archduke Lorenz of Austria-Este

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September 23

• 1897: birth of Paul Delvaux, surrealist painter
• 1972: birth of Sarah Bettens, singer with K's Choice

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September 24

• 768: death of Pippin the Younger, King of the Franks, father of Charlemagne
• 1813: death of André Ernest Modeste Grétry (pictured), composer

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September 25

• 1506: death of Philip I of Castile, ruler over most of current Belgium, father of Charles V, Holy Roman Emperor
• 1630: death of Ambrosio Spinola, marqués de los Balbases, Spanish general in Belgium during the Eighty Years' War, victorious at the Siege of Ostend
• 1946: birth of Dirk Sterckx, politician, former journalist for the VRT, former chairman of the VLD in 2004
• 1955: birth of Ludo Coeck, soccer player, played 46 times for the Belgium national football team
• 1983: death of King Leopold III of Belgium, King of the Belgians from 1934 to 1951
• 2005: Tom Boonen wins the World Cycling Championship in Madrid

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September 26

• 1345: death of William II, Count of Hainaut
• 1820: birth of Alfred Belpaire, locomotive engineer and inventor of the Belpaire firebox
• 1938: birth of Raoul Cauvin, prolific youth comics author of e.g. Les Tuniques Bleues and Agent 212
• 1946: the first issue of the weekly Tintin magazine is published by Le Lombard

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September 27

Holiday of the French Community of Belgium (French: Fête de la Communauté française de Belgique)

• 1275: birth of John II, Duke of Brabant
• 1312: the Charter of Kortenberg formed a new constitution for the Duchy of Brabant, giving some public control over the rule of the Duke
• 1940: birth of Benoni Beheyt, cyclist, World Cycling Champion in 1963

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September 28

• 1935: birth of Pierre Ryckmans, writer
• 1969: birth of Nico Vaesen, footballer
• 2005: death of Pol Bury, sculptor

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September 29

• 1992: Closure of the mine of Heusden-Zolder, the last Belgian coal mine

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September 30

• 1961: birth of Eric van de Poele, racing driver and former Formula One driver

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