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Jan 1, 1000
Democritus
460 b.c., described the idea of atoms -
Jan 1, 1000
Aristotle
460 b.c., Aristotle rejected the idea of atoms -
Jan 1, 1173
Leaning Tower of Pisa
Construction on the leaning tower of pisa began -
Jan 1, 1337
Hundred Year War
Hundred year war takes place in england -
Jan 1, 1348
Black Plague
Black Plague strikes Europe, kills millions -
Jan 1, 1492
Christopher Columbus
Columbus discovers a new continent known as America -
Jamestown
First Europeans settle in America -
American Revolution
American citizens begin the battle for their independence from Europe -
Antonie Lavosier
Created the atomic theory about the nature of matter -
Joseph Proust
developed law of constant composition -
John Dalton
performed experiments with different chemicals that showed a possibility of atoms -
Amadeo Avogadro
proposed his hypothesis stating that at equal volumes and temperature gases contain the same amount of molecules and or atoms -
American Civil War
Battle between northern and southern united states takes place -
William Crookes
discovered that cathode rays can travel in a straight line and impact a negative charge to things they strike -
Henri Becquerel
discovered that some chemicals spontaneously decompose and give off penetrating rays -
J.J. Thomson
discovered the electron and proposed a model for the structure of the atom -
Madame Curie
discovered radioactivity in two elements during a spontaneous decay process -
Max Planck
showed that when you vibrate atoms enough until they glow and can only measure -
Albert Einstein
Published the famous equation e=mc^2 -
Robert Millikan
discovered the mass and charge of an electron -
Ernest Rutherford
thought that electrons followed an atom like the planets orbit the sun -
Niels Bohr
figured that electrons can only follow the atom from a precise point -
TItanic
Titanic is sunk in the Pacific Ocean by massive icebergs -
Henry Moseley
using x-ray tubes, discovered the charges of the nuclei of most atoms -
Louis DeBroglie
proposed that atom particles can act like waves -
Werner Heisenberg
described atoms by means of formula connected to the frequencies of spectral lines -
Erwin Schrodinger
viewed electrons as continuous clouds and introduced wave mechanics -
James Chadwick
Discovered the neutron -
Twin Towers
Both World Trade Centers in New York City are bombed by terrorists
