Prior to 19th century
| History of Italy |
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 Italyportal |
- 734 BC – Phoenicians found Palermo [1]
- 415 BC – Carthaginians in power, [2] but continue using Greek name Panormos on the city's coins. [3]
- 276 BC – Conquered by Pyrrhus of Epirus.
- 275 BC – Carthaginian reconquest.
- 254 BC – Romans take Palermo under the Latin name Panormus. [2]
- 251 BC – Attempted Carthaginian reconquest fails in the Battle of Panormus.
- 1st century AD – Catholic Diocese of Palermo established.
- 440 – Vandal siege and conquest of Panormus.
- 535 – Byzantine siege and conquest of Panormus. [4]
- 830 – August: Arabs begin siege of Palermo.
- 831 – August: Saracens (Aghlabids) [5] in power. [6]
- 909 – Control transfers to Fatimids, entrusted to the Khalbid family. [5]
- c.1040 – Palermo is administered by a council. [5]
- 1072 – Normans, led by the Hauteville, [5] take Palermo. [2]
- 1130 – Palermo becomes capital of the Kingdom of Sicily. [7]
- 1136 – San Giovanni degli Eremiti church built.
- 1140 – Cappella Palatina consecrated.
- 1143 – Martorana church founded.
- 1160 – Chiesa di San Cataldo (church) built.
- 1185 – Palermo Cathedral construction begins.
- 1191 – Basilica della Santissima Trinità del Cancelliere active.
- 1194 – Palermo is reattached to the Hohenstaufen empire, embroiling the region in a conflict between the Guelphs and Ghibellines, later transforming into a conflict between the Emperor and the Pope. [7]
- 1265 – Sicily was integrated into the Angevin kingdom. [7]
- 1282 –
- 30 March: Sicilian Vespers uprising against Anjou rule. [2]
- 4 September: Peter III of Aragon crowned as king of Sicily in Palermo Cathedral, Palermo returns to the "Aragonese orbit". [7]
- 1302 – The peace of Caltabelotta recognized the rule of Frederic III on the condition that upon his death Sicily be controlled by the papacy. [8]
- 1330 – Palazzo Sclafani built. [9]
- 1394 – University established. [10]
- 1450 – Revolt against Alfonso the Magnanimous, confrontation in Palermo. [8]
- 1460 – Porta Nuova (Palermo) (gate) built. [9]
- 1477 – Printing press in operation (approximate date). [11]
- 1487 – Spanish inquisition introduced to Palermo by Ferdinand II (V) and his wife Isabella.
- 1557 – September: Flood.(it)
- 1584 – Fontana Pretoria (fountain) installed in the Piazza Pretoria. [12]
- 1620 – Quattro Canti laid out.
- 1676 – 2 June: Naval Battle of Palermo occurs offshore.
- 1693 – 1693 Sicily earthquake.
- 1726 – Earthquake. [2]
- 1734 – 2 September: Spanish conquest.
- 1735 – 3 July: Charles V crowned as king of Sicily in Palermo Cathedral.
- 1740 – Earthquake. [2]
- 1760 – Allegorical Apotheosis of Palermo artwork painted in the Palazzo Isnello.
- 1790 – Palermo Astronomical Observatory founded.
- 1795 – Botanical Garden of Palermo opens.
