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Gian Galeazo Sforza Milanese duke

born in Abbiategrasso (1469) and died in Pavia (1494), aged 25

(none)

1469 in Abbiategrasso

June 20

1476 aged 7

Galeazzo Maria Sforza is assassinated, leaving his throne to his seven-year old son, Gian Galeazo Sforza.

1478 aged 9 in Poggibonsi

July 10

Another ambassador came from the King of France; he was going to the Pope, and was lodged in the house of Giovanni Tornabuoni.

Source: A Florentine Diary, p. 21

1481 aged 12 in Milan

After a bitter struggle for the duchy of Milan with the child-regent Gian Galeazzo Sforza's mother, Bona of Savoy, followed, the boy's uncle, Ludovico Sforza, emerges as victor and seizes control of the government of Milan.

1488 aged 19

Late

Leonardo da Vinci begins working on the apparatus for the festival celebrating the marriage of Gian Galeazo Sforza to Isabella of Aragon.

1489 aged 20

January 15

The daughter(1) of the Duke of Calabria passed through Florence, on her way to wed the Duke of Milan,(2) with a large escort of horsemen, and many Signori and matrons and damsels in her train; a very great and noble company. A magnificent escort was sent to meet her, at incalculable cost.

Source: A Florentine Diary, p. 47

1494 aged 25 in Milan and Pavia

Gian Galeazo Sforza dies under suspicious conditions, in Milan, and the throne falls to his uncle, Ludovico Sforza.

October 21

Parents

Galeazzo Maria Sforza Milanese duke

Siblings

Bianca Maria Sforza (1472-1510) Italian woman

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