Timeline of events
- ~900 Black powder
- 1440 Printing press
- ~1460 Firearms
- Cristoforo Colombo finds the West Indies
- 1543 Heliocentric model re-proposed
- 1604 Kepler realizes that planets orbit in elliptical routes
- Newton
- 1698 First commercial steam engine
- 1775-83 American Revolution
- 1789-99 French Revolution
- 1796 Edward Jenner discovers the vaccine
- 1839 First Opium War
- ~1840 Electrical telegraphs supersede semaphores
- 1842 General anaesthesia
- 1847 Semmelweis discovers the benefit of hygiene
- 1859 Darwin publishes On the Origin of Species
- 1861-65 USA civil war
- 1868 Edo Period ends
- 1869 Dmitri Mendeleev creates modern periodic table of elements
- 1882 Start of electrically lighting streets and homes
- 1903 Radiation discovered
- 1905 Einstein publishes relativity theory
- 1910 Russell's Principia Mathematicia
- 1913 Bohr model of atoms
- ~1914 Last use of metal breastplates
- 1917 October Revolution
- 1919 Eddington confirms that light bends, thus the relativity theory
- 1919 Treaty of Versailles
- 1920 Commercial radio
- 1927 Heisenberg uncertainty principle
- 1927 Fifth Solvay Conference (quantum physics widely recognized around now)
- 1927-49 Chinese Civil War
- 1930 Karl Landsteiner discovers blood types, allowing safe blood transfusion
- ~1930 wider use of null-hypothesis significance testing
- 1931 Gödel's incompleteness theorems
- 1957 Everett's Many-Worlds Interpretation
- 1958 European Communities
- 1960 McCarthy discovers Lisp
- 1968 Quarks found
- 1969 ARPANET created
- Transition from teletypes to storage-tube monitors
- 1974 Kahneman & Tversky publishes Judgment Under Uncertainty: Heuristics and Biases
- 1980 First clinically useful MRI image
- 1990 Markov chain Monte Carlo
- 1991 Kahle & Berners-Lee create WWW
- 1991 Soviet Union dismantled
- 1993 European Union
- 1993 Eternal September
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