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Said that everything was made up of earth, wind, fire, and water.
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Democritus claimed that everything is made up of atoms.
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This year was the end of the Roman Empire.
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Roger II was crowned king of Silcily.
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Leonardo da Vinci starts to paint the Mona Lisa.
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Battle of Sekigahara was on this date.
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Developed first periodic table. http://www.youtube.com/watch?v=x9iZq3ZxbO8
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Established the law of definite proportions
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Proposed the Law of Simple Multiple Proportions
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Said; equal volumes of all gases, at the same temperature and pressure, have the same number of molecules
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The American Civil war had just started.
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Discovered electron.
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Developed the Quantum Theory.
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Invented the crookes tube. http://www.youtube.com/watch?v=XU8nMKkzbT8
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Discovered radioactivity
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Discovered theory of relativity http://www.youtube.com/watch?v=fEZupmpTcOU
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Discovered radium
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Found out charge was in the nucleus
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Chevrolet was founded by Louis Chevrolet and William C. Durant.
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Discovered a systematic mathematical relationship between the wavelengths of the X-rays
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Proposed that energy levels of electrons are discrete and that the electrons revolve in stable orbits around the atomic nucleus but can jump from one energy level to another.
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Developed the photoelectric effect http://www.youtube.com/watch?v=kcSYV8bJox8
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Developed the uncertainty principle
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Discovered the wave nature of electrons.
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Discovered the neutron.
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Formed the Schrodinger equation
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World War 2 had just begun.
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World War 2 had ended.
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The American Civil war was declared over.
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I finally turned in this Project.
