Math 318 Final Timeline By Megansamtmann 500 BCE Hippasus of Metapontum believed to have first discovered the idea of irrational numbers https://docs.google.com/document/d/1xXYqpTjxZ92BzhcCem6nACZnRonJFVNdFvfxC8tGdAo/edit 460 BCE Proclus claims that Pythagoras discovered the theory of irrational numbers 340 BCE Pappus of Alexandria states that the story of he who discovered irrationality is a story rather than a fact. 300 BCE Euclid Proves the square root of 2 is an irrational number in his book The Elements 300 BCE Iamblichus proposes alternative accounts to the discovery of irrationality Jul 3, 1883 Sir Francis Galton coins the term “Eugenics” in his book, Inquiries into Human Faculty and Its Development https://docs.google.com/document/d/1STFK8ECShtj-EsZz374N4BnKCuhRTZgZH8iTdhEBpG0/edit Apr 26, 1909 California, the state who carried out the most sterilizations, passes its first sterilization law. Dec 2, 1910 The Eugenics Record Office (ERO) is created by Charles B. Davenport May 2, 1927 U.S Supreme Court rules in favor of forced sterilizations in Buck vs. Bel https://docs.google.com/document/d/1LqMRlk-e0bBqTf-DtYrAM5aCzD1BVF_WTzPH71qd3XU/edit Jul 14, 1933 Under the power of Adolf Hitler, the german government passes the Law of Prevention of Hereditarily Diseased Offspring 1935 Hermann J. Muller publishes his eugenics book, Out of the Night Apr 2, 1945 Kurt Von Fritz proposes an alternative method to how Hippasus discovered irrationality which involves the use of a pentagon rather than a triangle https://docs.google.com/document/d/1hAcVLxXmyK4jJLoetgvOXVWzC0NqDjPxPQnmsAdleNM/edit Feb 13, 1974 Indiana becomes the first state to repeal its sterilization law. 2005 Stephen Hawking publishes his book God Created The Integers: The Mathematical Breakthroughs that Changed History, where he doesn't name who actually discovered irrationality