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Beginning of the Civil War
The civil war was the turning point of the united states were we finally because it brought the country to what it is today. Brought the country from two seperate fighting countries to one world power that we know and love today. -
Gettysburgh Adress
An adress given by our 16th president Abraham Lincoln at the memorial grave yard for the soldiers who lost their lives in the great battle of Gettysburgh. -
President Lincoln Assassinated
President Lincoln was assassignatd in 1865 at ford theater by John W. Booth -
Law of Octave
A Generalization that, if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of seven elements. -
Mendeleev's Periodic Tables
Mendeleev's Periodic Tables
Dmitri Ivanovich Mendeleev was a russian chemist and he formulated the periodic table. By doing so he predicted 8 elements that were not discovered yet at his time. -
Andrew Johnson Impeached
The impeachment of andrew johnson was one of the most dramatic event in political history up to date behind the assasignation of abraham lincoln. He was impeached for "High crimes and misdemeanors -
Discovery of the Electron
The electron was discovered by J.J. Thompson in 1897 which led to the discovervy of the needed building blocks of matter. -
Spanish American War
This war started because Cuba wanted their own independace from their spanish rule. The 10 week war was fought in the pacific. The war was ended with the treaty of Paris -
Plum Pudding Model
The Plum Pudding model was on of the original models of the atom made by J.J. Thompson. This model was later proved wrong in 1913 -
The Great Sanfransico Earth Quake
The Great San Fransico eearth quake was a devistating blow to the west coast of the United states. Over 3,000 people died and 80% of the city was destroyed. -
Geiger–Marsden experiment
This Expirement was used to find if the atom was made up like the plum pudding model said it did. The Model was proved wrong and was then thought it looked like we know it today. -
Titanic Sinking
The titanic was the biggest cruise liner of its time. She carried over 2k passengers but only held enough life boats for a little over 1k passaengers. -
Bohrs Planetary model of the Atom
Bohr model or Bohr model, introduced by Niels Bohr in 1913, shows the atom as a positivly charged nucleus surrounded bu spinning electrons. -
Mosley / Atomic Numbers
In 1913, English physicist Henry Moseley observed the properties of x-rays from about a dozen consecutive elements in the periodic table. In doing so, he discovered that the wavelength of the x-rays became shorter as the atomic weight increased. -
World War One
World was one is a war known as the great was that was battle centered around europe. Over a total of 7 million inocent civillians died in the war due to fighting. This was one of the bloodiest wars in history and paved the way for many changes in the political world. -
Discovery of the Proton
Rutherford began his graduate work by studying the effect of x-rays on various materials. Shortly after the discovery of radioactivity, he turned to the study of the -particles emitted by uranium metal and its compounds. When he published the results of these experiments in 1911, Rutherford proposed a model for the structure of the atom that is still accepted today. He concluded that all of the positive charge and essentially all of the mass of the atom is concentrated in an infinitesimally smal -
Schrodinger Equation
In quantum mechanics, the Schrödinger equation is a partial differential equation that describes how the quantum state of a physical system changes with time. It was formulated in late 1925, and published in 1926, by the Austrian physicist Erwin Schrödinger -
The Great Depression
A world wide epidemic that ruined the economy of Millions of people. It rose the united states un employment rates to a sky rocketing 25% which is one of the highest to date. -
Discovery of the Nuetron
The Nuetron was not discovered untill 1932 when James Chadwick used scattering data to calculate the mass of the nutral particle -
Beggining of the World War Two
The war started by Germany invading poland. Their plan was to take over eurpoe and to kill off all the jews of the world.
