On 1 or 2 August 1537 (both dates are given in sources), near the Tuscan village of

Montemurlo Montemurlo is a ''comune'' (municipality) in the Province of Prato in the Italian region Tuscany, located about northwest of Florence and about northwest of Prato. Montemurlo borders the following municipalities: Agliana, Cantagallo, Montal ...

, the forces of the newly installed Duke Cosimo I of Florence defeated a hastily organized army of those who wished to overthrow the

Medici The House of Medici ( , ) was an Italian banking family and political dynasty that first began to gather prominence under Cosimo de' Medici, in the Republic of Florence during the first half of the 15th century. The family originated in the Muge ...

and restore the

Republic of Florence The Republic of Florence, officially the Florentine Republic ( it, Repubblica Fiorentina, , or ), was a medieval and early modern state that was centered on the Italian city of Florence in Tuscany. The republic originated in 1115, when the Flo ...

. Following the battle, Cosimo's bloody vengeance on all those who opposed Medici rule effectively ended organized opposition to his family in Florence. The victory led to the decision of Emperor

Charles V Charles V may refer to: * Charles V, Holy Roman Emperor (1500–1558) * Charles V of Naples (1661–1700), better known as Charles II of Spain * Charles V of France (1338–1380), called the Wise * Charles V, Duke of Lorraine (1643–1690) * Infan ...

to formally recognize Cosimo as

Duke of Florence The ''Duca della Repubblica Fiorentina'', rendered in English as Duke of the Florentine Republic or Duke of the Republic of Florence, was a title created in 1532 by Pope Clement VII for the Medici family (his own family), which ruled the Republi ...

on 30 September 1537.

References

1537 in Italy 1537 in Europe Montemurlo {{Battle-stub