<human>:  When did the Florentine school start?
<bot>: The Florentine school was a school of painting in Florence, Italy, in the 15th and 16th centuries. The name of the school comes from the city of Florence. The artists who worked in the Florentine school are known as the Renaissance painters. The painters who were part of the Florentine school included Fra Angelico, Botticelli, and Leonardo da Vinci.