telescope is built by Isaac Newton. 1676: Antonie van Leeuwenhoek discovers Bacteria. 1676: First measurement of the speed of light. 1679: Binary system developed by Gottfried Wilhelm Leibniz. 1684: Calculus independently developed by both Gottfried Wilhelm Leibniz and Sir Isaac Newton and used to formulate classical mechanics. References Further reading Chang, Chun-shu, and Shelley Hsueh-lun Chang. Crisis and Transformation in Seventeenth-Century China (1998). Langer, William. An Encyclopedia of World History (5th ed. 1973); highly detailed outline of events online free Reid, A. J. S. Trade and State Power in 16th & 17th Century Southeast Asia (1977). Spence, J. D. The Death of Woman Wang: Rural Life in China in the 17th Century (1978). Focus on Europe Clark, George. The Seventeenth Century (2nd ed. 1945). Hampshire, Stuart. The Age of Reason the 17th Century Philosophers, Selected, with Introduction and Interpretive Commentary (1961). Lewitter, Lucian Ryszard. "Poland, the Ukraine and Russia in the 17th Century." The Slavonic and East European Review (1948): 157–171. in JSTOR Ogg, David. Europe in the Seventeenth Century (6th ed. 1965). Rowbotham, Sheila. Hidden from history: Rediscovering women in history from the 17th century to the present (1976). Trevor-Roper, Hugh R. "The general crisis of the 17th century." Past & Present 16 (1959): 31–64. External links Vistorica: Timelines of 17th century events, science, culture and persons 2nd millennium Centuries Early Modern period