<human>:  What did the Italian priest Girolamo Savonarola do?
<bot>: Savonarola was a Dominican friar who preached against the corruption of the Catholic Church in the late 14th century. He was a very influential figure in the Italian Renaissance. He was a very charismatic leader, and he had a lot of followers. He was a very controversial figure, and he was eventually executed by the Medici family.