World History Timeline

Timeline

9 events

16th century

  1. 1543★★★★★

    Copernicus publishes heliocentric theory

    Nicolaus Copernicus's On the Revolutions of the Heavenly Spheres is printed, placing the Sun at the centre and launching the Scientific Revolution.

    Science· Poland, Germany

17th century

  1. 1609★★★★★

    Kepler publishes Astronomia nova

    Johannes Kepler publishes Astronomia nova, stating his first two laws of planetary motion, including elliptical orbits.

    Science· Czechia, Germany

19th century

  1. March 14, 1879★★★★★

    Birth of Albert Einstein

    The physicist Albert Einstein, author of the theory of relativity, is born in Ulm, Germany.

    BirthScience· Germany
  2. November 8, 1895★★★★★

    Röntgen discovers X-rays

    Wilhelm Röntgen discovers X-rays at Würzburg, opening the era of medical imaging.

    Science· Germany
  3. December 14, 1900★★★★★

    Planck's quantum hypothesis

    Max Planck presents the hypothesis that energy is emitted in discrete quanta, marking the birth of quantum physics.

    Science· Germany

20th century

  1. November 25, 1915★★★★★

    Einstein presents general relativity

    Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences, describing gravity as the curvature of spacetime.

    Science· Germany
  2. December 1938★★★★★

    Discovery of nuclear fission

    Otto Hahn and Fritz Strassmann discover the fission of uranium nuclei; Lise Meitner and Otto Frisch explain the process shortly after.

    Science· Germany
Timeline · World History Timeline