Built the largest unsupported dome in the world (at the time) with the help of the architect Brunelleschi.
Was the official bank of the Pope, John the 14th I believe, check that.
Was a patron to many artists, including sculptor Donatello.
That's all I got.
Technically he was the "ruler" in all aspects but the title or name of "ruler".
No
23
Cosimo de' Medici
Education
Well he was born in Florence
Cosimo de Medici was born in 1389.
Cosimo de' Medici was born on September 27, 1389.
Cosimo I de' Medici was born on June 12, 1519.
Cosimo de Medici was born on September 27, 1389.
Cosimo de' Medici was born on September 27, 1389.
Portrait of Cosimo I de' Medici was created in 1545.
Descendants of Cosimo I de Medici was born in 1519.
Descendants of Cosimo I de Medici died in 1574.
Cosimo I de' Medici was born on June 12, 1519.
Cosimo II de' Medici was born on May 12, 1590.
Cosimo II de' Medici was born on May 12, 1590.
Cosimo III de' Medici was born on August 14, 1642.