Timeline of Leuven

Pre-20th century

• 883 –.
• 891 – Battle of Leuven (891).
• 950 - Birth of Lambert I, Count of Louvain the first Count of Leuven.
• 1090 – Hospital established.
• 1100 – St. Peter's Church built.
• 1165 – built.
• 1183 – Leuven becomes part of the Duchy of Brabant of the Holy Roman Empire.
• 1222 – Saint Quentin's Church built.
• 1225 – becomes mayor.
• 1230 – built.
• 1317 – built.
• 1356 - Louvain was the scene of the Joyeuse Entrée of Wenceslas.
• 1379 – .
• 1425 – Old University of Leuven founded by John IV, Duke of Brabant.
• 1463 – Leuven Town Hall built.
• 1474 – Printing press in operation.
• 1497 – St. Peter's Church rebuilt.
• 1502 – Erasmus moves to Leuven.
• 1547 - Leuven Vulgate edited by Hentenius published in Louvain.
• 1571 – City Archive relocated to City Hall.
• 1635 – June–July: Siege of Leuven.
• 1717 – Artois brewery in business.
• 1727 – Public celebration on 10 November of the third centenary of the university's founding.
• 1738 – Hortus Botanicus Lovaniensis established.
• 1786 – Seminary established.
• 1795 – City becomes part of the Dyle (department) of the French First Republic.
• 1804 – City becomes part of the First French Empire.
• 1815 – City becomes part of the United Kingdom of the Netherlands.
• 1830 – City becomes part of the Kingdom of Belgium.
• 1831 – 12 August: Battle of Leuven (1831).
• 1834 – Catholic University of Leuven established.
• 1837 - Leuven railway station opened.
• 1843 – Heilige Drievuldigheidscollege established.
• 1867 – built on Statiestraat.
• 1883 – Population: 36,813.
• 1899 – Keizersberg Abbey founded.

20th century

• 1903 – K. Stade Leuven football club formed.
• 1904 - Population: 42,194.
• 1914
• * Burning of Louvain Library of the Catholic University of Leuven destroyed.
• * Population: 42,490.
• 1919 – Population: 40,069.
• 1921
• * Post war reconstruction well underway, about 700 out of 1,200 houses had been rebuilt.
• * New purpose-built library was begun, helped by John Rylands Library in Manchester.
• 1928
• * UZ Leuven active.
• * Library of the Catholic University of Leuven rebuilt.
• 1940 – Library of the Catholic University of Leuven destroyed again.
• 1947 – becomes mayor.
• 1967 – November: French–Flemish begins.
• 1968
• * Katholieke Universiteit Leuven established.
• * Lemmensinstituut active.
• * Studio 1 cinema in business.
• 1977
• * Heverlee, Kessel-Lo, and Wilsele become part of city.
• * becomes mayor.
• 1982 – Marktrock music fest begins.
• 1988 – Vlaams Filmmuseum en -archief established.
• 1995
• * Louis Tobback becomes mayor.
• * City becomes part of the Flemish Brabant province.
• * established.
• 1998 – Grand Béguinage designated an UNESCO World Heritage Site.

21st century

• 2002
• * Oud-Heverlee Leuven football club formed.
• 2008 – Anheuser-Busch InBev headquartered in city.
• 2011 – Cyclocross Leuven begins.
• 2013 – Population: 97,656.
• 2021 - 2021 UCI Road World Championships road race events finish in Leuven.