The following is a timeline of the history of the city of Milan, Italy.
222 BC - Romans conquer Mediolanum.
3rd century AD - Roman Catholic diocese of Milan established.
286 AD - Western Roman Empire capital moves from Rome to Mediolanum.
313 - Edict of Milan.
370 - Basilica of San Lorenzo consecrated.
379 - Basilica of Sant'Ambrogio consecrated.
382 - San Nazaro in Brolo construction begins.
402 - City besieged by Visigoths.
452 - City besieged by Huns.
538 - City sacked by Ostrogoths.
569 - Lombards conquer city.
774 - Milan surrenders to the Franks.
1162 - Holy Roman Emperor Frederick Barbarossa seizes and destroys Milan.
1183 - Milan becomes a duchy.
1233 - Palazzo della Ragione built.
1277 - Battle of Desio.
1336 - Public clock installed.
1381 - Chiesa di Santa Maria alla Scala built.
1386 - Milan Cathedral begins construction.
1447
House of Sforza takes power.
Golden Ambrosian Republic begins.
1456 - Ospedale Maggiore begins construction.
1469 - Printing press in operation.
1471 - Panfilo Castaldi printer in business (approximate date).
1482 - Santa Maria delle Grazie built.
1493 - Santa Maria presso San Celso begins construction.
1496 - Chiesa di Santa Maria della Passione built.
1497 - Apicius de re Coquinaria cookbook published.
1498 - Leonardo paints The Last Supper in the Santa Maria delle Grazie church.
1508 - Santa Maria alla Fontana built.
1535 - City becomes part of Habsburg Spain.
1562 - Palazzo dei Giureconsulti begins construction.
1565 - Casa degli Omenoni built (approximate date).
1579 - San Fedele built.
1580 - Plague.
1608 - Palazzo del Senato construction begins.
1609 - Biblioteca Ambrosiana opens.
1618 - Pinacoteca Ambrosiana opens.
1630 - Plague begins.
1631 - Palazzo Annoni construction begins.
1644 - Palazzo delle Scuole Palatine rebuilt.
1717 - Teatro Regio Ducal built.
1761 - Palazzo Litta built.
1762 - Madonnina (statue) erected.
1774 - Orto Botanico di Brera (garden) established.
1776 - Brera Academy founded.
1778
La Scala inaugurated.
Royal Palace of Milan expanded.
1779 - Teatro Lirico built.
1784 - Giardini Pubblici Indro Montanelli established.
1786
Biblioteca di Brera (library) opens.
Archivio di Stato di Milano (state archives) established.
1793 - Palazzo Serbelloni built.
1796 - Milan declared capital of Cisalpine Republic.
1802 - Milan becomes capital of the Napoleonic Italian Republic.
1805 - Coronation of Napoleon as King of Italy.
1807 - Milan Conservatory established.
1808
Milan Stock Exchange established.
Casa Ricordi music publisher in business.
1817 - Caffè Cova in business on Via Monte Napoleone.
1820 - Revolutionary Carbonari arrested.
1824 - Pasticceria Marchesi in business.
1838 - Museo Civico di Storia Naturale di Milano founded.
1840 - Milan-Monza railway begins operating.
1842 - Premiere of Verdi's opera Nabucco.
1848 - Five Days uprising against Austrian Empire.
1860
Campari in business.
Antonio Beretta becomes mayor.
1861
Milan becomes part of Kingdom of Italy.
City hall opens in Palazzo Marino.
1863 - Istituto Tecnico Superiore founded.
1864 - Stazione di Milano Centrale (1864) opens at Piazza della Repubblica (Milan).
1870 - Hoepli publisher in business.
1871 - Population: 261,976.
1872
Pirelli company founded.
Ca' de Sass built.
Teatro Dal Verme opens.
1873 - Società Storica Lombarda (history society) founded.
1876
Corriere della Sera newspaper begins publication.
Trams begin operating.
1877 - Galleria Vittorio Emanuele II built.
1879 - Milano Affori railway station and Milano Bovisa-Politecnico railway station open.
1881 - Population: 321,839.
1883 - Salumi Peck (company) in business.
1886
Breda manufactory in business.
German School of Milan founded.
1888 - Parco Sempione established.
1891 - Camera del Lavoro (labor centre) and Società escursionisti milanesi (hiking club) founded.
1894 - Touring Club Italiano established.
1896
Casa di Riposo per Musicisti founded.
Italo Pacchioni creates "first Italian film" Arrivo del treno alla Stazione di Milano.
1897 - Population: 470,558.
1898 - Bava-Beccaris massacre.
1899
Milan Football and Cricket Club founded.
Parini statue erected in Piazza Cordusio.
1902 - Bocconi University founded.
1903 - Palazzo Castiglioni built.
1906
Confederazione Generale del Lavoro (labor union) headquartered in Milan.
Milan International (1906) world's fair held
Simplon Tunnel opens.
Casa Campanini built.
Population: 560,613.
1907 - Turci Calzature (shoe shop) in business.
1908 - Internazionale Milano football club founded.
1909 - Malpensa Airport established.
1911 - Bar Jamaica in business.
1912 - Messina tram depot built.
1915
Castello Cova built.
American Chamber of Commerce established.
1917
Galleria Pesaro opens.
La Rinascente (shop) in business.
1919 - Fascio di Combattimento political group founded.
1921
Milan Sample Fair begins.
Università Cattolica del Sacro Cuore established.
1922 - Novecento Italiano art movement active.
1924 - University of Milan founded.
1926 - Stadio San Siro opens.
1927 - A. Rizzoli & Co. founded.
1930 - Planetario di Milano inaugurated.
1931 - Milano Centrale railway station opens.
1932 - Palazzo Mezzanotte (stock exchange) built.
1933
Trolleybuses begin operating.
Torre Branca built in Parco Sempione.
1934 - Institute for International Political Studies founded.
1935 - Villa Necchi Campiglio (residence) built.
1937 - Linate Airport opens.
1939
A.C. Milan football club active.
Anteo Spazio Cinema opens.
1942 - Teatro Smeraldo opens.
1945 - 29 April: Corpse of executed Mussolini brought to Piazzale Loreto.
1947 - Piccolo Teatro founded.
1954 - Padiglione d'Arte Contemporanea inaugurated.
1955
FrancoAngeli publisher in business.
Centro di Documentazione Ebraica Contemporanea founded.
1956 - Palazzo dell'Arengario built.
1958 - Milan Fashion Week begins.
1960 - Cinema Ambasciatori opens.
1961 - Milan Furniture Fair begins.
1962 - Amica fashion magazine in publication.
1964 - Milan Metro begins operating.
1968 - IULM University of Milan founded.
1969 - Piazza Fontana bombing.
1974 - Quelli di Grock theatre troupe founded.
1975 - Armani fashion house founded.
1979 - MIP- Politecnico di Milano School of Management formed.
1980
Plastic (nightclub) opens.
Parco Alessandrini inaugurated.
1982 - Domus Academy established.
1985 - Dolce & Gabbana fashion house founded.
1986 - Class Editori founded.
1987
MF Milano Finanza newspaper begins publication.
Massimo De Carlo art gallery opens.[1]
1990
Milan Metro Line 3 begins operating.
Parco Agricolo Sud Milano established.
1991
Viafarini (art entity) established.
10 Corso Como in business.
1995 - Documentation Center for Visual Arts founded.
1996 - Vita-Salute San Raffaele University and Trussardi Foundation established.
1997 - Milan Passante railway begins operating.
1998 - University of Milan Bicocca established.
1999 - Malpensa Express begins operating.
2001
23 May: 2001 UEFA Champions League Final held in Milan.
8 October: Linate Airport disaster.
City website online (approximate date).
O’artoteca (art organization) founded.
2002
Orto Botanico di Cascina Rosa established.
Teatro degli Arcimboldi opens.
2004
Gruppo A12 architects active.
Bulgari Hotel in business.
2006 - Letizia Moratti becomes mayor.
2008
BikeMi launched.
Ecopass congestion charge begins.
2009
Peep Hole and Cardi Black Box art gallery active.
Homeless World Cup football contest held.
2010 - Population: 1,315,803.
2011 - Giuliano Pisapia becomes mayor.
2012
Portello Park inaugurated.
Milan Area C congestion charge begins.
Milan-Naples Nuovo Trasporto Viaggiatori (train) begins operating.
2013 - Population: 1,262,101 municipality; 3,075,083 province.
2015 - 1 May: Expo 2015 world fair opens.
2016 - June: Milan municipal election, 2016 held.
Timeline of Milan Wikipedia (Text) CC BY-SA