Template:Selected anniversaries/December 15: Difference between revisions
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||Yuri Vasilyevich Prokhorov (b. 15 December 1929) was a Russian mathematician, active in the field of probability theory. Pic. | ||Yuri Vasilyevich Prokhorov (b. 15 December 1929) was a Russian mathematician, active in the field of probability theory. Pic. | ||
||Ludwig Schlesinger (d. 15 December 1933) was a German mathematician known for the research in the field of linear differential equations. Pic. | |||
||1933 – The Twenty-first Amendment to the United States Constitution officially becomes effective, repealing the Eighteenth Amendment that prohibited the sale, manufacture, and transportation of alcohol. | ||1933 – The Twenty-first Amendment to the United States Constitution officially becomes effective, repealing the Eighteenth Amendment that prohibited the sale, manufacture, and transportation of alcohol. |
Revision as of 11:23, 1 April 2018
1791: The United States Bill of Rights becomes law when ratified by the Virginia General Assembly.
- János Bolyai.jpg
1802: Mathematician and academic János Bolyai born. He will be one of the founders of non-Euclidean geometry.
1832: Engineer Gustave Eiffel born. He will design the world-famous Eiffel Tower.
1836: A fire at the U.S. Patent Office destroys all 10,000 patents and several thousand related patent models.
1857: Engineer George Cayley dies. He did pioneering work in aeronautics, investigating and codifying the dynamics of flight.
1887: Mark Twain declines to invest in transdimensional corporation, denounces offer as "a pyramid scheme of Pharaonic proportions."
1958: Theoretical physicist Wolfgang Pauli dies. Pauli received the Nobel Prize in Physics for his "decisive contribution through his discovery of a new law of Nature, the exclusion principle or Pauli principle".
1970: Soviet spacecraft Venera 7 successfully lands on Venus. It is the first successful soft landing on another planet.
1979: Army research laboratories convert modern plowshares into ancient swords. Military contractors call technique "Astonishing breakthrough."
2000: The third reactor at the Chernobyl Nuclear Power Plant is shut down.