The following is a timeline of the history of the city of Siena, Tuscany, Italy.
1st century CE - Saena Julia founded by Romans.
1205 - Palazzo Tolomei built (approximate date).
1240 - Studium Senese established.
1255
Gran Tavola bank founded.
Basilica of San Francesco built.
1260 - Battle of Montaperti.
1263 - Siena Cathedral built.
1265 - Basilica of San Domenico built.
1287 - Noveschi in power.
1308 - Palazzo Pubblico built.
1328 - Famine.
1348
Black Death plague.
Torre del Mangia built.
1360 - Public clock installed.
1419 - Fonte Gaia built.
1423 - Council of Siena begins.
1438 - Loggia della Mercanzia built (approximate date).
1459 - Palazzo Marsili rebuilt.
1462 - Loggia del Papa erected.
1463 - Palazzo Piccolomini-delle Papesse built.
1472
Monte dei Paschi di Siena founded.
Palazzo Spannocchi built (approximate date).
1484 - Printing press in operation.
1490 - Basilica dell'Osservanza built (approximate date).
1495
Palazzo delle Papesse completed (approximate date).
Piccolomini Library built (approximate date).
1504 - Santo Spirito renovated.
1506 - Palazzo Chigi-Saracini renovated.
1508 - Palazzo del Magnifico built.
1520 - Palazzo Bichi built (approximate date).
1527 - Accademia degli Intronati founded (approximate date).
1533 - Santa Maria dei Servi consecrated.
1554 - Battle of Marciano.
1555 - Republic of Siena surrenders to Spain; Siena ceded to Duchy of Florence.
1604 - Porta Camollia rebuilt.
1613 - San Martino renovated.
1656 - Palio di Siena horse race begins.
1691 - Accademia dei Fisiocritici founded.
1729 - Consolidation of districts; elimination of contrade Gallo, Leone, Orso, Quercia, Spadaforte, and Vipera.
1816 - Fine Arts Institution founded.
1848 - Palazzo Buonsignori restored.
1854 - Palazzo del Capitano restored.
1856 - Orto Botanico dell'Università di Siena laid out.
1858 - Municipal Archivio instituted.
1865 - Empoli-Siena railway begins operating.
1866 - Cemetery della Misericordia established.
1871 - Mens Sana in Corpore Sano 1871 formed.
1897 - Population: 30,468.
1901 - Population: 25,539.
1904 - Società Studio e Divertimento formed.
1911 - Population: 41,673.
1923 - Stadio Artemio Franchi – Montepaschi Arena opens.
1932
Accademia Musicale Chigiana founded.
Pinacoteca Nazionale inaugurated.
1935 - Siena railway station opens.
1944 - Bombing by Allies.
1959 - Biblioteca Comunale degli Intronati (library) active.
1976 - Palasport Mens Sana arena opens.
1995 - Santa Maria della Scala museum opens.
2003
Fondazione Musei Senesi established.
Siena-Ampugnano Airport renovated.
Timeline of Siena Wikipedia (Text) CC BY-SA