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Early Calculating Machines: Charles Babbage mid 1800's Charles Babbage Ada Lovelace: Supporter of Charles Babbage Indigo Jones: Architect Victor Huge Wilhelm Busch: Graphic Artist/Illustrator 1835-36: Texas Revolution fought to win the independence of Texas from Mexico. 1845: The potato blight strikes Ireland. 1854: Commodore Matthew Parry negotiates a treaty opening Japan to American trade. 1869: The first transcontinental railroad is completed in America. Banquet house, courtesy of http://data.greatbuildings.com Image of Charles Babbage, Courtesy of The Electric Universe/American Electric Power, http://csw.electricuniverse.com Picture frames, courtesy of www.art-network.co.uk Easel, copyright of http://search.corbis.com Evelyn Beyer