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776 BCE
First Olympics
Many countries compete against one another in sporting events -
445 BCE
Democritus
Said everything is composed of atoms -
335
Aristotle
Stated that there was no such thing as atoms -
Antonie Lavosier
Created the law of conservation of mass -
joseph Proust
He first published his Law of Definite Proportions (or Law of Constant Composition) in 1794 -
John Dalton
States that all matter is made of atoms -
Amadeo Avagadro
made a statement that states that at the same temperature and pressure, equal volumes of gases contain the same number of molecules -
Civil war
The North fought the south over slavery -
First telephone
Alexader grahmbell created the first telephone -
William Crookes
British chemist and physicist noted for his discovery of the element thallium -
Henri Becquerel
discovered radioactivity, while expirementing -
Madame Curie
discovered radium and polonium. -
J.J. Thomson
earliest theoretical description of the inner structure of atoms -
First World series
The first Baseball world series was played and featured players such as cy young -
Albert Einstein
most famous for his theory of relativity amoung many other scientific discoveries -
Ernest Rutherford
Did experiment that showed atoms have a tiny, heavy nucleus -
Robert Millikan
oil drop experiment helped to quantify the charge of an electron, which contributed greatly to our understanding of the structure of the atom and atomic theory -
Henry Moseley
reorganized the periodic table by the amount of protons they have -
Niels Bohr
stated that in the hydrogen atom energy is transferred only in certain well defined quantities -
Max Planck
made the quantum theory which helped people understand atoms and how they worked -
World War One
The biggest war of its time and lasted 4 years resulting in many deaths -
Werner Heisenberg
Created matrix mechanics, a version of quantum mechanics -
Erwin Schrodinger
used mathematical equations to describe the likelihood of finding an electron in a certain position. -
Louis deBroglie
studied the wavelenghts of electrons -
James Chadwick
proved the existence of neutrons -
World war Two
Major war that started off by hitlers actions and resulted in many deaths -
JFK assaination
President Kennedy was shot and killed in dallas texas -
First Superbowl
The packers beat the chiefs in the first Superbowl -
Civil rights movement
The blacks fought for equality and got it -
Vietnam war
The Americans fought in a war and went over to Vietnam
