Giannino Directory References Discover 10 Great Sports Rivalries 10 Failed Doomsday Predictions How Did the Sperm Whale Get Its Name? The Seven Sacraments of the Roman Catholic church What Is the Most Widely Practiced Religion in the World? New Seven Wonders of the World Timeline of the Space Race, 1957–69 Contents Giannino pretender to French throne Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:claim of heritage In John IIn 1358 a man called Giannino, in Florence, persuaded Clémence’s nephew, Louis I of Hungary, that he was John I; but otherwise he met with little success and died in jail in Naples (1363).Read More