The book "The Treatise of Lorenzo Valla on the Donation of Constantine" was written in 1440 by the Italian humanist Lorenzo Valla, who lived in the 15th century. This study examines the "Donation of Constantine," a text reportedly written in the fourth century by the Roman Emperor Constantine. The constitution gave the pope control over the Western Roman Empire as well as temporal power. Valla's treatise reveals the document's falsification and establishes...