The following is a timeline of the history of Luxembourg City, Luxembourg.
Prior to 19th century
963 - Castle built atop Bock cliffs by Siegfried of Luxembourg. 987 - Church of the Redemption consecrated. 1120 - Church of St. Peter built. 1320 - Saint Michael's Church built (approximate date). 1340 New city fortifications constructed. Schobermesse (tent fair) begins. 1390 - Public clock installed (approximate date). 1443 - Burgundians under Philip the Good conquer city. 1554 - Fire in Ville Haute. 1563 - La Fontaine Castle construction begins. 1572 - City Hall built. 1603 - Collège des Jésuites founded. 1606 - Neumünster Abbey built. 1613 - Church of Notre Dame cornerstone laid. 1623 - Capuchin monastery built. 1644 - Tunnels built. 1671 - Place d'Armes laid out (approximate date). 1684 - French in power. 1685 - Lambert Fortress built. 1693 - Jean-Bernard Knepper becomes mayor. 1697 - Spaniards in power per Treaty of Ryswick. 1714 - Austrians in power. 1732 - Fort Thüngen built. 1784 - Château de Septfontaines built outside city (in Rollingergrund). 1794 - November 22: Siege of Luxembourg by French forces begins. 1795 June 7: Siege of Luxembourg ends. City becomes préfecture of the Forêts département of the French First Republic. 1798 - Municipal Library active. 1800 - François Scheffer becomes mayor.
19th century
1815 - Prussians in power per Treaty of Paris. 1821 - Luxemburger Wochenblatt newspaper begins publication. 1827 - Journal de la ville et du Grand-Duché de Luxembourg newspaper in publication. 1833 - Roman Catholic diocese of Luxembourg established. 1838 - City Hall (Hôtel de Ville) completed. 1848 - Luxemburger Wort newspaper begins publication. 1850 - Society of the Natural Sciences established. 1855 - Pescatore Institute (charity) founded. 1858 - Population: 13,129. 1859 - Luxembourg railway station opens. 1860 - Hall of the Chamber of Deputies. 1861 - Viaduct built over Petrusse valley. 1867 Luxembourg Crisis. Fortress dismantled per Treaty of London. 1868 - Royal-Grand Ducal Institute established. 1872 Municipal Park laid out. Pescatore Museum opens. 1882 - Casino Bourgeois opens. 1884 - William II monument erected in Place Guillaume II. 1890 - City becomes part of independent Grand Duchy of Luxembourg. 1892 - Museum of Natural History opens in Pfaffenthal. 1894 - Émile Mousel becomes mayor. 1895 - Ons Hemecht begins publication.
20th century
1903 - Adolphe Bridge built. 1904 - Alphonse Munchen becomes mayor. 1905 - Population: 20,984. 1906 - Conservatoire de Luxembourg founded. 1910 - Cercle Municipal building inaugurated. 1913 - Luxembourg railway station rebuilt. 1914 - German occupation begins. 1918 - German occupation ends. 1919 - Football Club Amis des Sports Lëtzebuerg-Fëschmaart founded. 1920 Dommeldange, Eich, Hamm, Hollerich, and Rollingergrund incorporated into city. Villa Louvigny built. 1921 - Gaston Diderich becomes mayor. 1923 - Gëlle Fra war memorial erected. 1930s - Sandweiler Airport opens. 1933 - Luxembourg Philharmonic Orchestra founded. 1940 May 10: German occupation begins. August 18: Volksdeutsche Bewegung rally held. 1944 September 10: German occupation ends. Luxembourg American Cemetery and Memorial established. December: City besieged by German V-3 cannon. 1945 - January: City besieged by German V-3 cannon. 1946 - Émile Hamilius becomes mayor. 1952 - European Coal and Steel Community, European Commission, and European Court of Justice headquartered in city. 1953 - European School of Luxembourg I established. 1964 - Municipal Theatre built. 1965 - Alcide de Gasperi Building constructed. 1966 - Grand Duchess Charlotte Bridge opens. 1968 - European Investment Bank headquarters relocates to Luxembourg. 1970 - Colette Flesch becomes mayor. 1973 National Library of Luxembourg relocates to former Athénée building. Rugby Club Luxembourg formed. 1975 - European Court of Auditors headquartered in city. 1976 - Municipal Hospital opens. 1979 - begins publication. 1982 Lydie Polfer becomes mayor. St. Peter and Paul Church consecrated. 1984 Photothèque opens. Hilton Luxembourg hotel built. 1991 - BGL Luxembourg Open tennis tournament begins. 1993 - Am Tunnel art gallery opens. 1994 opens. European Investment Fund headquartered in city. 1995 City designated a European Capital of Culture. Den Atelier music venue opens. 1996 Luxembourg City History Museum founded. Utopolis Kirchberg cinema multiplex (since renamed Kinepolis Kirchberg) and Casino Luxembourg open. 1999 - Paul Helminger becomes mayor.