-
335
Aristotle
He believed in the elements of matter. He thought everything was made with a little bit of all other the elements of matter. 335 BC -
465
Democritus
Atoms cannot be destroyed, differ in size, shape and temperature, are always moving, and are invisible. This was a hypothesis in 465 BC -
Oct 2, 1440
Printing Press
In 1440 Gutenburg created the first printing press -
Oct 2, 1517
Reformation
Reformation Started -
Antonie Lavosier
Oxygen theory of combustion -
American Revolution
American Revolution Started -
Joseph Proust
Constant Composition -
John Dalton
Created the Atomic Theory -
Amadeo Avagadro
Contributed to the molecular theory in 1808, 1815, and 1821 -
William Crookes
Thallium was discovered -
Assassination of Abraham Lincoln
Assassination of Lincoln -
Henri Becquerel
Created thorium -
J.J. Thomson
Discovered teh Electron -
Madame Curie
Found new elements -
Ernest Rutherford
He identified the thorium emanations in 1900-1903 -
Robert Millikan
studied the charge of the electron -
Henry Moseley
Created atomic battery -
WW1 Start
WW1 Strated -
Albert Einstein
Modern Quantum theory -
Max Planck
Quantum theory -
Niels Bohr
Found the 72nd element -
Erwin Schrodinger
Quantum Mechanics -
James Chadwick
Found the nucellus -
Louis DeBroglie
Neutrino theory of light -
WW2 Start
Fun Fact: WW2 Started on my birthday (Sept 1 1939) -
Moon Landing
We landed on the Moon -
Werner Heisenberg
Matrix Mechanics -
Berlin Wall Falls
The Berlin Wall was torn down separating East Berlin from West Berlin -
September 11th 2001
The twin Towers got struck by a plane and the pentagon was also struck. -
Bin Ladens Death