History of Milan Timeline

(600 BC – Present)

Milan, one of Europe's most influential cities, has a rich history spanning over two millennia. Founded by the Celts around 600 BC, it became a major center of the Roman Empire, later served as the capital of the Duchy of Milan under the Visconti and Sforza dynasties, flourished as a Renaissance hub of art and innovation, and grew into Italy's leading industrial, fashion, and financial capital. More Less

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Ancient and Medieval Milan

Founding of Mediolanum by Celtic Insubres

600 BC

The Celtic Insubres founded the settlement of Mediolanum around 600 BC. The name, meaning 'in the middle of the plain,' reflected its central position in the Po Valley, and the settlement grew into one of the most important towns in northern Italy.

Roman conquest of Mediolanum

222 BC

Roman legions under consuls Gnaeus Cornelius Scipio Calvus and Marcus Claudius Marcellus captured Mediolanum from the Insubres, incorporating it into the Roman Republic and beginning its transformation into a major Roman city.

Image source: Mediolanum

Milan becomes capital of the Western Roman Empire

286 AD

Emperor Diocletian made Milan the capital of the Western Roman Empire, elevating the city's status and triggering an era of monumental construction including baths, circuses, and imperial palaces.

Edict of Milan grants religious tolerance

313 AD

Emperors Constantine I and Licinius met in Milan and issued the Edict of Milan, granting tolerance to Christianity throughout the Roman Empire and marking a turning point in the history of the religion.

Image source: Edict of Milan

Ambrose becomes bishop of Milan

374 AD

Ambrose was acclaimed bishop of Milan, becoming one of the most influential ecclesiastical figures of the fourth century. He strengthened the church in Milan, combated Arianism, and left a lasting legacy on Western Christianity.

Image source: Ambrose

Sack of Milan by the Visigoths

402 AD

The Visigoths under Alaric I attacked and sacked Milan, forcing Emperor Honorius to move the Western Roman capital to Ravenna, which began the city's long decline from imperial prominence.

Image source: Gothic War (401–403)

Destruction of Milan by Frederick Barbarossa

1162

Holy Roman Emperor Frederick Barbarossa razed Milan after a prolonged siege during his conflict with the Lombard cities, destroying much of the city and dispersing its population among surrounding villages.

Image source: Milan

Lombard League defeats Barbarossa at Legnano

May 29, 1176

The Lombard League, led by Milanese forces, defeated Emperor Frederick Barbarossa at Legnano, securing greater autonomy for the Italian communes and allowing Milan to be rebuilt and regain its power.

Image source: Battle of Legnano

Lombard League defeats Barbarossa at Legnano

Rise of the Visconti dynasty

1277

Ottone Visconti, Archbishop of Milan, defeated the rival Della Torre family at the Battle of Desio, establishing Visconti rule that would transform Milan into a powerful regional lordship.

Image source: Visconti of Milan

Renaissance and Spanish Rule

Construction begins on Milan Cathedral

1386 - 1965

Gian Galeazzo Visconti ordered construction of the Duomo di Milano, one of the largest Gothic cathedrals in the world. Work continued over nearly six centuries, making it an enduring symbol of the city.

Visconti rule ends with death of Filippo Maria

1447

The death of Duke Filippo Maria Visconti without a male heir ended Visconti dominance. The short-lived Ambrosian Republic was proclaimed before Francesco Sforza seized power three years later.

Image source: Filippo Maria Visconti

Francesco Sforza establishes Sforza dynasty

1450

Condottiero Francesco Sforza captured Milan and established himself as duke, founding the Sforza dynasty. Under Sforza patronage, Milan flourished as one of Europe's leading Renaissance centers.

Image source: Francesco I Sforza

Leonardo da Vinci paints The Last Supper

1495 - 1498

Under Ludovico Sforza's patronage, Leonardo da Vinci painted The Last Supper on the wall of the refectory of Santa Maria delle Grazie, creating one of the most celebrated artworks in history.

Image source: The Last Supper (Leonardo)

French capture of Milan begins Italian Wars

1499

King Louis XII of France invaded and captured Milan, ousting Ludovico Sforza. The duchy became a battleground between France and the Holy Roman Empire for over half a century.

Image source: Italian Wars

Battle of Pavia shifts Milan to Habsburg control

Feb 24, 1525

Imperial forces decisively defeated the French at Pavia, capturing King Francis I. The victory confirmed Habsburg dominance in Italy and paved the way for Spanish rule over the Duchy of Milan.

Image source: Battle of Pavia

Spanish rule over the Duchy of Milan begins

1559

With the Peace of Cateau-Cambrésis, Milan passed definitively to Spanish Habsburg control. The long period of Spanish rule brought both cultural vitality and economic stagnation to the city.

Image source: Duchy of Milan

Plague of Milan kills nearly half the population

1629 - 1631

The Great Plague, vividly chronicled by Alessandro Manzoni, devastated Milan and killed an estimated 60,000 of its inhabitants, leaving a profound mark on the city's collective memory.

Image source: 1629–1631 Italian plague

Austrian Rule and Unification

Austria acquires Milan from Spain

1714

Following the War of the Spanish Succession, the Treaty of Rastatt transferred the Duchy of Milan from Spain to Austria, beginning more than a century of Habsburg administration.

Image source: House of Habsburg

Enlightenment reforms under Maria Theresa and Joseph II

1740 - 1790

Austrian rulers implemented sweeping reforms in Milan, modernizing agriculture, education, and taxation. The city became a center of Enlightenment thought, home to figures like Cesare Beccaria and Pietro Verri.

Image source: Maria Theresa

Napoleonic troops enter Milan

May 15, 1796

Napoleon Bonaparte's army entered Milan after defeating Austrian forces, ending Habsburg rule and ushering in a period of French domination that reshaped northern Italy politically.

Image source: Italian campaigns of the French Revolutionary Wars

Milan made capital of Napoleonic Kingdom of Italy

1805 - 1814

Napoleon crowned himself King of Italy in Milan Cathedral, making the city the capital of his satellite kingdom. Milan saw urban improvements, including new boulevards and the Arena, during this era.

Image source: Kingdom of Italy (Napoleonic)

Congress of Vienna returns Milan to Austria

1815

After Napoleon's fall, the Congress of Vienna restored Lombardy to Austrian control as part of the Kingdom of Lombardy–Venetia, beginning the Restoration period in Milan.

Image source: Congress of Vienna

Five Days of Milan uprising against Austria

Mar 18, 1848 - Mar 22, 1848

Milanese citizens rose against Austrian garrison forces in a heroic five-day insurrection, expelling Field Marshal Radetzky's troops from the city and inspiring the wider Italian unification movement.

Image source: Five Days of Milan

Battle of Magenta frees Milan

Jun 4, 1859

French and Piedmontese armies under Napoleon III and Victor Emmanuel II defeated the Austrians at Magenta, opening the road to Milan, which welcomed them enthusiastically and joined the Kingdom of Sardinia soon after.

Image source: Battle of Magenta

Proclamation of the Kingdom of Italy

Mar 17, 1861

Victor Emmanuel II was proclaimed King of Italy in Turin, formally uniting Milan and Lombardy within the new Italian state and concluding decades of struggle for independence and unification.

Image source: Kingdom of Italy

Modern Milan

Completion of the Galleria Vittorio Emanuele II

1877

Architect Giuseppe Mengoni completed the ornate glass-vaulted shopping arcade near the cathedral. It became one of the world's first purpose-built shopping malls and a symbol of modern Milanese elegance.

Image source: Galleria Vittorio Emanuele II

Founding of AC Milan

Dec 16, 1899

Englishmen Alfred Edwards and Herbert Kilpin founded AC Milan, launching one of the most successful football clubs in history and cementing the city's place in world sport alongside Inter, founded in 1908.

Image source: AC Milan

Futurist movement launches in Milan

Feb 20, 1909

Filippo Tommaso Marinetti published the Futurist Manifesto in Le Figaro, and the avant-garde movement took root in Milan, celebrating speed, technology, and modernity in art and culture.

Image source: Futurism

Massive Allied bombing of Milan in World War II

Aug 14, 1943 - Apr 25, 1945

Allied air raids heavily damaged Milan, destroying parts of the cathedral area and many historic buildings. On April 25, 1945, partisans liberated the city from Nazi-Fascist occupation, a date now commemorated as Liberation Day.

Image source: Bombing of Milan in World War II

Postwar economic miracle transforms Milan

1950 - 1967

Milan became the engine of Italy's postwar economic boom, attracting waves of internal migration and growing into the country's financial, industrial, and design capital.

Image source: Italian economic miracle

Pirelli Tower completed as symbol of modern Milan

1960

Designed by Gio Ponti and Pier Luigi Nervi, the 32-story Pirelli Tower became one of Italy's first skyscrapers and an icon of the city's modernist transformation.

Image source: Pirelli Tower

Milan hosts Expo 2015

May 1, 2015 - Oct 31, 2015

Milan hosted the World Expo themed 'Feeding the Planet, Energy for Life,' attracting over 20 million visitors and spurring major urban redevelopment, including the Porta Nuova district.

Key Facts

Milan was founded around 600 BC by Celtic tribes (the Insubres) and was later conquered by the Romans in 222 BC, becoming known as Mediolanum.
Under Emperor Diocletian in 286 AD, Milan became one of the capitals of the Western Roman Empire, making it a key political center.
The Edict of Milan, issued by Emperor Constantine in 313 AD, granted religious tolerance to Christians and was a turning point in Christian history.
The powerful Visconti and Sforza families ruled the Duchy of Milan from the late 13th century onward, transforming it into a major Renaissance power and patron of artists like Leonardo da Vinci, who painted The Last Supper there.
After Italian unification in 1861, Milan became Italy's economic engine, and today it is renowned worldwide as a global capital of fashion, design, finance, and industry.

Source

This History of Milan timeline was generated with the help of AI, using information found on the internet.

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