This document summarizes key developments in art in 15th century Italy during the Renaissance period. It discusses the increased popularity of humanism, the influence of classical art and architecture, and the patronage of wealthy families. Important artistic elements like linear perspective, chiaroscuro, and classical forms in architecture are covered. Key artists like Brunelleschi, Donatello, Ghirlandaio, Mantegna, and Perugino are mentioned along with some of their major works from the period.