Atomic Timeline

By Jack33
  • 460 BCE

    Democritus Born

    Democritus Born
  • 404 BCE

    End of the Peloponnesian War.

    End of the Peloponnesian War.
  • 400 BCE

    Democritus concluded that all matter was made of tiny indivisible particles, which he named atomos.

    Democritus concluded that all matter was made of tiny indivisible particles, which he named atomos.
  • 370 BCE

    Democritus Death

    Democritus Death

  • John Dalton Born

    John Dalton Born

  • Michael Faraday Born

    Michael Faraday Born

  • John Dalton created the “marble” model, which states that all matter is made up of atoms. Atoms of the same element are the same, atoms of different elements are different, and atoms combine to form substances.

    John Dalton created the “marble” model, which states that all matter is made up of atoms. Atoms of the same element are the same, atoms of different elements are different, and atoms combine to form substances.

  • Britain and the United States separately made the Slave Trade a criminal act.

    Britain and the United States separately made the Slave Trade a criminal act.

  • Michael Faraday discovered that when a permanent magnet was moved in and out of a coil of wire, a current was induced in the coil, also known as electromagnetic induction.

    Michael Faraday discovered that when a permanent magnet was moved in and out of a coil of wire, a current was induced in the coil, also known as electromagnetic induction.

  • John Dalton Death

    John Dalton Death

  • Michael Faraday Death

    Michael Faraday Death

  • Eugen Goldstein Born

    Eugen Goldstein Born

  • JJ Thomson Born

    JJ Thomson Born

  • Robert Millikan Born

    Robert Millikan Born

  • Ernest Rutherford Born

    Ernest Rutherford Born

  • Niels Bohr Born

    Niels Bohr Born

  • Eugen Goldstein discovered evidence of a positively charged particle

    Eugen Goldstein discovered evidence of a positively charged particle

  • Edwin Schroedinger Born

    Edwin Schroedinger Born

  • James Chadwick Born

    James Chadwick Born

  • First commercial film release by Jean Aimé Le Roy.

    First commercial film release by Jean Aimé Le Roy.

  • JJ Thomson created the “plum pudding” model which showed that electrons were dispersed in a positive sphere.

    JJ Thomson created the “plum pudding” model which showed that electrons were dispersed in a positive sphere.

  • Werner Heisenberg Born

    Werner Heisenberg Born

  • Ernest Rutherford created the “nuclear” model which showed that the atom has a dense, positive center or nucleus, the rest is mostly empty space.

    Ernest Rutherford created the “nuclear” model which showed that the atom has a dense, positive center or nucleus, the rest is mostly empty space.

  • Robert Millikan succeeded in precisely determining the magnitude of the electron's charge.

    Robert Millikan succeeded in precisely determining the magnitude of the electron's charge.

  • Niels Bohr created the “Solar system” model which showed that electrons orbit the nucleus at a defined distance (like plants orbiting the sun).

    Niels Bohr created the “Solar system” model which showed that electrons orbit the nucleus at a defined distance (like plants orbiting the sun).

  • WW1 started in Europe

    WW1 started in Europe

  • The Walt Disney Company is founded.

    The Walt Disney Company is founded.

  • Werner Heisenberg discovered the uncertainty principle, which states that a particle's position and momentum cannot both be known exactly.

    Werner Heisenberg discovered the uncertainty principle, which states that a particle's position and momentum cannot both be known exactly.

  • Edwin Schroedinger created the “electron cloud” model which showed that electrons are in regions around the nucleus; not tracks surrounding it.

    Edwin Schroedinger created the “electron cloud” model which showed that electrons are in regions around the nucleus; not tracks surrounding it.

  • Eugen Goldstein Death

    Eugen Goldstein Death

  • James Chadwick created the “electron cloud” model with neutrons added this model demonstrates neutrons in the nucleolus because the mass of an atom was much heavier then he had thought.

    James Chadwick created the “electron cloud” model with neutrons added this model demonstrates neutrons in the nucleolus because the mass of an atom was much heavier then he had thought.

  • Ernest Rutherford Death

    Ernest Rutherford Death

  • The start of WW2.

    The start of WW2.

  • JJ Thomson Death

    JJ Thomson Death

  • Niels Bohr Death

    Niels Bohr Death

  • Robert Millikan Death

    Robert Millikan Death

  • Edwin Schroedinger Death

    Edwin Schroedinger Death

  • James Chadwick Death

    James Chadwick Death

  • Werner Heisenberg Death

    Werner Heisenberg Death