Time Toast Chapter 22 By Dominique Dangerfield 168 BCE Ptolemy supported the geocentric 400 Aristotle explained the geocentric theory 1473 Nicolas Copernicus reasoned the heliocentric theory 1543 Andreas Vesalius published On the Fabric of the Human Body 1590 Zacharias Janssen invented the microscope 1600 The Baroque Period began 1602 Galileo developed the law of the pendulum 1608 Evangelista Torricelli developed the first mercury barometer 1609 Johannes Kepler published the first two laws of planetary motion 1616 William Harvey showed that the heart acted as a pump 1620 Francis Bacon published Novum Organum which encouraged the experimental method 1637 Rene Descartes published Discourse on method which set forth his reason 1638 Galileo was put under house arrest by an Inquisition for supporting Copernicus theory 1651 Thomas Hobbes published Leviathan 1662 Robert Boyle created Boyle's law 1666 Mary Astell wrote A Serious Proposal to the Ladies 1687 Issac newton published his law of gravity 1689 John Locke explained his theory of Natural Rights 1694 Franccois-Marie arouet changed his name to Voltaire and goes on to champion individual freedoms 1695 Anton van Leeuwenhoek saw red blood cells for the first time 1701 Anders Celsius created a scale for the mercury therometer 1714 Gabriel Fahrenheit made the first thermometer to use mercury in glass 1714 Joseph Priestly discovered oxygen 1740 Emilie du Chatalet translated Newtons work from Latin to French 1740 Fredrick II began rule of Prussia 1741 Joseph II began his rule of Austria 1745 Denis Diderot published the first volume of the Encyclopedia 1748 Montesquieu published On the Spirit of Laws 1750 Marie Therese Geoffrin held her first salon of philosophes 1750 The classical period began 1762 Jean Jacques wrote The Social Contract 1762 Catherine the Great began her rule of Russia 1764 Cesare Beccaria Published On Crimes and Punishments 1776 Thomas Jefferson wrote the declaration of Independence 1778 Antoine Lavoisier discovered and named gas oxygen 1787 The U.S enacted the constitution-establishing a federal system, separation of powers, checks and balances 1789 U.S Congress added the Bill of Rights to the Constitution 1792 Mary Wollstonecraft wrote A Vindication of the Rights of Women 1796 Edward Jenner introduced a vaccine to prevent small pox
