*IDEA Drums I *IDEAL Renaissance *IDEAS Backwards "secret" writing File Maker Pedal-Powered Wing *IDENTIFY Spanish Inquisition *IF Ball Bearings Court Entertainer Joint Pedal-Powered Wing Worm Gear *IGNITES Wheel Lock *II Bramante, Donato Codex Madrid II Drums I Drums III Nostradamus Steam Cannon *III Drums I Drums II Drums III Gama, Vasco da Hundred Years' War Ivan III War of the Roses *ILLUMINATING Spotlight *IMAGES Bosch, Hieronymus *IMAGINE Spotlight *Imola Imola, Map of *IMPACT Artillery Shell *IMPASTO Oil paints *IMPETUS Luther, Martin *IMPORTANT Botticelli, Sandro Calvin, John Gun *IMPOSED Spanish Inquisition *IMPRESSED Gama, Vasco da *IMPRISONED Machiavelli, Niccolò *IMPROVED Walls and Ladders *IMPROVEMENT Release Mechanism *IMPROVEMENTS Bobbin Threader *INCH Screw-Making Machine *INCLUDE Anatomy Architects Artists Botticelli, Sandro Florence Italy Michelangelo Raphael Spanish Inquisition Walls and Ladders *INCLUDED Medici Renaissance *INCLUDES Codex Arundel Codex Madrid I Windsor Collection *INCORPORATED Reciprocating-to-Rotary *INCREASINGLY Digging *INDEPENDENT City-state *INDIA Gama, Vasco da *INDIANS Columbus, Christopher *INDIES Columbus, Christopher Magellan, Ferdinand *INDUSTRY Bobbin Threader *INFLUENCED Bosch, Hieronymus Calvin, John Raphael Workshop *INFLUENTIAL Constantinople *INGENIOUS Cannon *INHABITANTS Columbus, Christopher *INITIATIVE Bramante, Donato *INNOCENT Joan of Arc *INNOVATION Gun *INNOVATIONS Gun *INQUISITION Spanish Inquisition *INSERTED Joint *INSIDE Artillery Shell Bell Gun Joint Snorkel Spotlight Wood Planer *INSPIRED Architects Bramante, Donato Recorder *INSTALLED Henry VIII *INSTEAD Bell Columbus, Christopher Gun *INSTITUTES Calvin, John *INSTRUMENT Recorder Viola-Organista Woodwind Keys *INSTRUMENTS Woodwind Keys *INTELLECTUAL Middle Ages Renaissance *INTENDED Fortress *INTERCHANGE Bridge Canal *INTEREST Renaissance *INTERESTS Magellan, Ferdinand *INTRODUCTION Fortress *INVALID Henry VIII *INVENTED Alberti, Leon Battista Architects Ball Bearings Digging Drawbridge Gutenberg, Johannes Shearing Machine Tank *INVENTING Wheel Lock *INVENTION Alarm Clock Bobbin Threader Bomb Helicopter Renaissance Shearing Machine Viola-Organista *INVESTOR Gutenberg, Johannes *INVOLVED War of the Roses *IRAN Suleiman the Magnificent *IRON Drill *IRRIGATION Arno River *ISABELLA Columbus, Christopher Isabella d'Este Spanish Inquisition *ISLAM Spanish Inquisition *ISOLATED Fortress *ISSUED Ivan III *ISTANBUL Constantinople *ITAL Sforza, Lodovico *ITALIAN Alberti, Leon Battista Artists Cabot, John Columbus, Christopher Court Entertainer Dante Florence Galileo Galilei Machiavelli, Niccolò Michelangelo *ITALY Adoration of the Magi Annunciation, The - 1473 Arno River Arno Valley Baptism of Christ Battle of Anghiari City-state Codex Atlanticus Florence Francis I Italy Last Supper, The Milan Portrait of a Musician Renaissance Self-Portrait St. Jerome *IVAN Ivan III *IX Nostradamus *