HISTORY TIMELINE ITALY - DUCHY OF MILAN
The duchy of Milan constituted twenty-six towns in central-northern Italy when it was created on 1 May 1395 by Gian Galeazzo Visconti, lord of Milan. Ultimately, the towns were possessions of the Holy Roman empire, and the duchy remained a vassal of the empire. It was located to the north and south of the River Po, and extended westwards to the Montferrat hills and eastwards to the Venetian Lagoon. It was neighboured by the Swiss to the north, Venice and Mantua to the east, Modena and Genoa to the south, and Montferrat and Savoy to the west.
Milan had developed from the Roman town of Mediolanum (the scene of a battle between Emperor Gallienus and the Alemanni in AD 259). Serving for a time as the capital of the Western Roman empire (until 402), it was captured by the invading Lombards in 569, and in 661 it formed the capital of a briefly divided Lombard kingdom. It remained a vital city despite not always being a seat of power, and its recreation at the heart of the duchy gave it all of the towns of the former Lombard League.
1395 - 1402 Gian Galeazzo I Visconti Former lord of Milan who purchased the duchy.
1402 Dreaming of a united Italy under his control, Gian Visconti launches ill-advised assaults against his main obstacles, Bologna and Florence. Although his forces are generally expected to succeed, losses are heavy on all sides. Victory at the Battle of Casalecchio on 26 June sees the Bolognese defeated, but Gian succumbs to fever at Melegnano Castle on 10 August and dies a month later. His combined territories break up amid squabbling between his heirs.
Gian Galeazzo I Visconti
A portrait of Gian Galeazzo I Visconti, first duke of Milan during the politically troubled early Renaissance period in Italy
1402 - 1412 Gian Maria Visconti Son. Aged 13 upon accession. Assassinated.
1402 - 1404 Catarina Visconti, Mother and regent. Arrested and murdered.
1404 Condottiero Facino Cane, a military leader with the status of a warlord, poisons Gian Maria's mind against his mother, Catarina Visconti. The young duke has her arrested on suspicion of treason and imprisons her in Monza Castle, were she is apparently poisoned in the same year.
1411 - 1416 Lugano is again under Milan's administration, until it is regained by the bishopric of Como for the second and last time (the first time being in 1297).
1412 - 1447 Filippo I Maria Visconti, Brother. Died without issue.
1421 - 1435 Following a period of French domination of the republic of Genoa, Filippo Visconti manages to dominate it for a little over a decade. In the same year, 1421, his condottiero, Francesco Bussone, count of Carmagnola, conquers Brescia for him.
1423 - 1427 When Giorgio Ordelaffi, lord of Forlì, dies, his son succeeds him although he is still a child. Filippo Visconti becomes his guardian but abuses his position of trust and attempts to conquer areas of the Romagna in 1423. The republic of Florence refuses to allow Milan's unchecked expansion of territory, so the Wars in Lombardy are triggered. Venice is soon persuaded to join in 1425, on the side of Florence. In March 1426 Francesco Bussone foments riots in Brescia, beginning the process by which Venice conquers it after a long campaign, expanding its Dry Land Dominion in the process. Filippo is forced to accept a peace deal proposed by Pope Martin V which favours Venice and Francesco Bussone. At the first opportunity, Filippo resumes the fighting but is quickly defeated at Maclodio on 12 October 1427. A more concrete peace is signed at Ferrara.
1434 The duke of Milan secures Lugano permanently, but now with the counts of Lugano providing regional control. The dispossessed Rusca family is compensated with the ownership of Locarno.
1438 The bridge over the River Tresa, approximately nine kilometres to the south-west of Lugano, has been mentioned in records since the ninth century. The area on either side of the bridge contains the villages of Lavena and Ponte Tresa (both of which had originally been settled by the Ligurians and Celts and which bear Celtic names). More recently, this area has been fought over by Como and Milan, part of their incessant rivalry for domination in northern Italy. Now the Visconti duke of Milan gives the villages to Count Luigi of Lugano.
1440 Filippo Visconti's troops, led by his condottiero, Francesco Piccinino, fight the Battle of Anghiari on 29 June 1440 against the Italian League which is led by the republic of Florence. The battle is part of the Wars in Lombardy, during which the five major Italian powers cement the positions they will hold until the Italian Wars start in 1494. The Milanese forces are defeated, despite holding numerical superiority.
1447 - 1450 Upon the death of Filippo Visconti, the last direct male representative of his family, the Golden Ambrosian republic is declared in Milan on 13 August 1447. Members of the University of Pavia are the driving force behind the declaration, but they find able support from Francesco Sforza, a condottiero and an adventurer who is married to the illegitimate daughter of Filippo Visconti. Sforza is able to help defend the duchy from multiple claimants to the title, including the French duke of Orleans, and attacks by mighty Venice, although Crema is lost to the Venetians. Ultimately, Francesco betrays the Ambrosian republic, seizes Milan, and pronounces himself the new duke on 25 March 1450.
1450 - 1466 Francesco I Sforzi , m daughter of Filippo Maria. Probable count of Lugano in 1464.
1461 - 1464 Having abandoned his long-standing support of the Angevins in their claim of Naples, Francesco Sforza takes advantage of a revolt in Angevin Genoa. He ensures the election of a puppet there in the form of Spinetto Campofregoso, and manages to retain control of Genoa and Savona until the formation of the emergency government and the 'Eight Defenders of the Fatherland'.
1466 - 1476 Galeazzo III Maria Sforza Son. Assassinated.
1466 - 1468 Bianca Maria Visconti Mother and co-ruler. Edged out of power by her ruthless son.
1476 - 1494 Gian Galeazzo II Sforza Son. Acceded aged 7. Died under suspicious circumstances.
1476 - 1481 Bona of Savoy, Mother and regent. Edged out of power by Ludovico Sforza.
1477 The son of the late Duke Francesco and his wife, Bianca Maria, Ottaviano opposes the restoration of Ugo Sanseverino as count of Lugano. Supposedly this is for two years, but the nineteen year-old Ottaviano Maria Sforza drowns near Rivolta d'Adda in 1477 while attempting to escape arrest. He has no issue, so his claim to the county passes to one of his brothers.
Ottaviano Maria Sforza by Botticelli, The ill-fated Ottaviano Maria Sforza was painted in oils by Botticelli
1481 Bona of Savoy has until now acted as regent for her young son. However, she has been engaged in a protracted and bitter struggle for power with her brother-in-law, Ludovico Maria Sforza and, despite the best attempts of everyone involved to keep Ludovico out of power, he now seizes control of Milan's government. The remainder of the lifetime of Duke Gian Galeazzo II (which is terminated in suspicious circumstances) sees Ludovico in full command of Milan as his regent.
1481 - 1494 Ludovico Maria Sforza, Son of Francesco. Regent. Count of Lugano (1484-1501).
1488 - 1499 Milan briefly controls Genoa again but is initially rebuffed by the Genoese emergency government. However, Milan dominates the republic until France intervenes.
1494 - 1499 Ludovico Maria Sforza / Louis / LudwigFormer 'regent' and de facto ruler since 1481.
1494 - 1495 The county of Holland passes to the son of Holy Roman Emperor Maximilian and Mary of Burgundy. That son is Philip, later king consort of Castile. The following year, an alliance is formed between Naples, the Pope, Milan, Venice, and the emperor in order to defend Italy from Charles VIII of France. This marks the beginning of the highly destructive Italian Wars which last until 1559.
1498 - 1499 The duke of Orleans succeeds to the French throne as Louis XII, and immediately seeks to enforce his father's claim on Milan. He invades in 1499, also taking control of Lugano, and Ludovico Sforza is soon ousted. The seizure of Lugano serves to end a period of rebellions and uprisings that have been taking place against the dukes of Milan. It also introduces a new dynamic in the perpetual struggles between Como and Milan, with the Swiss Confederation now also becoming involved.
1499 - 1500 Louis XII of France Grandson of Valentina, daughter of Gian Galeazzo Visconti.
1500 Ludovico Sforza Restored. Died 1508.
1500 Ludovico manages to regain Milan by returning with an army of mercenaries, which includes Swiss fighters. He uses the city of Novara as his base, and Louis XII quickly lays siege to it. With Swiss troops on both sides, those fighting for Ludovico decide to absent themselves from the battle rather than fight their fellow countrymen. The 'Betrayal of Novara' sees Ludovico being handed over to the French, who promptly transport him to a dungeon at Loches where he remains for the rest of his life. The duchy is now France's on the basis of the claim by Louis XII.
1500 - 1512 Louis XII of Franc, Restored. Ousted by the Swiss.
1503 - 1513 Lugano is occupied by the duchy of Milan for just a decade, before becoming the property of Switzerland, this time permanently. The Swiss also oust the French from Milan, and Massimiliano Sforza is raised to the title of duke.
1512 - 1515 Massimiliano Sforza Son of Ludovico.
1515 The French invade again, this time under Francis I. Victorious at the Battle of Marignano, they capture and imprison Massimiliano, and Francis I personally assumes the title of duke.
1515 - 1521 Francis I of France Son-in-law and cousin of Louis XII of France.
1521 The French are again driven out of Milan, now by the Austrians under Holy Roman Emperor Charles V who installs Massimiliano's younger brother, Francesco II Sforza. His brief tenure is ended, again by a French occupation.
1521 - 1524 Franùcesco Maria II Sforza, Brother of Massimiliano.
1524 - 1525 Francis I of France Restored.1525
The French are defeated at the Battle of Pavia, leaving Holy Roman Emperor Charles V dominant in Italy. Newly re-installed Duke Francesco Sforza joins the League of Cognac against the emperor along with Florence, France, the Pope, and Venice. This backfires when the emperor takes military action against Milan.
1525 - 1535 Francesco II Sforza, Restored. Died without issue.
1529 Francesco is driven out of Milan by Holy Roman Emperor Charles V, but he retains control of other towns within the duchy, and is restored in Milan following the peace accord of Cambrai in the same year.
1535 Giovanni Paolo Sforza, Half-brother. Laid claim to the duchy but died mysteriously.
1535 With Francesco dead and his half-brother also conveniently and abruptly dead following a short-lived claim for the duchy, both France and the Holy Roman Emperor claim Milan for themselves. Emperor Charles V invests his son, Phillip II of Spain, as the duke of Milan, tying the duchy to Spain for the next century and-a-half.