19th Century
- 1800 – Alessandro Volta: discovers electrochemical series and invents the battery
- 1802 – Jean-Baptiste Lamarck: teleological evolution
- 1805 – John Dalton: Atomic Theory in (Chemistry)
- 1824 – Carnot: described the Carnot cycle, the idealized heat engine
- 1827 – Georg Ohm: Ohm's law (Electricity)
- 1827 – Amedeo Avogadro: Avogadro's law (Gas law])
- 1828 – Friedrich Wöhler synthesized urea, destroying vitalism
- 1830 - Nikolai Lobachevsky created Non-Euclidean geometry
- 1831 – Michael Faraday discovers electromagnetic induction
- 1833 – Anselme Payen isolates first enzyme, diastase
- 1838 – Matthias Schleiden: all plants are made of cells
- 1838 – Friedrich Bessel: first successful measure of stellar parallax (to star 61 Cygni)
- 1842 – Christian Doppler: Doppler effect
- 1843 – James Prescott Joule: Law of Conservation of energy (First law of thermodynamics), also 1847 – Helmholtz, Conservation of energy
- 1846 – William Morton: discovery of anesthesia
- 1846 – Johann Gottfried Galle and Heinrich Louis d'Arrest: discovery of Neptune
- 1848 – Lord Kelvin: absolute zero
- 1858 – Rudolf Virchow: cells can only arise from pre-existing cells
- 1859 – Charles Darwin and Alfred Wallace: Theory of evolution by natural selection
- 1865 – Gregor Mendel: Mendel's laws of inheritance, basis for genetics
- 1865 – Rudolf Clausius: Definition of Entropy
- 1869 – Dmitri Mendeleev: Periodic table
- 1871 – Lord Rayleigh: Diffuse sky radiation (Rayleigh scattering) explains why sky appears blue
- 1873 – James Clerk Maxwell: Theory of electromagnetism
- 1875 – William Crookes invented the Crookes tube and studied cathode rays
- 1876 – Josiah Willard Gibbs founded chemical thermodynamics, the phase rule
- 1877 – Ludwig Boltzmann: Statistical definition of entropy
- 1887 – Albert Michelson and Edward Morley: lack of evidence for the aether
- 1895 – Wilhelm Conrad Röntgen discovers x-rays
- 1896 – Henri Becquerel discovers radioactivity
- 1897 – J.J. Thomson discovers the electron in cathode rays
- 1898 - J.J. Thomson proposed the Plum pudding model of an atom
- 1900 – Max Planck: Planck's law of black body radiation, basis for quantum theory
Read more about this topic: Timeline Of Scientific Discoveries
Famous quotes containing the word century:
“The only successful revolution of this century is totalitarianism.”
—Bernard-Henri Levy (b. 1948)