Chemistry Timeline

Events

Existence of Atoms - Greek Philosopher Democritus

400 BC

Archimedes Displacement Principle

331 BC

Death of Cleopatra

30 BC

George Washington Elected President

August 22, 1732

Boston Massacre

March 5, 1770

Declaration of Independence

July 4, 1776

Discovery of Uranus

1781

Atomic Theory - British scientist John Dalton

1803

Illinois becomes twenty first state

1818

Abraham Lincoln Assasination

April 15, 1865

Dimitri Mendeleev-Russia Periodic Table

1869

Subatomic Particles, J.J. Thomson (England 1897)

1897

Discovery of electron-JJ Thompson-England

1897

Discovery of Nucleus-Ernest Rutherford-England

1910

Discovery of isotopes-Fredrick Soddy-England

1912

Titanic Sinks

1912

Beginning of World War 1

1914

Discovery of Proton- Ernest Rutherford-New Zealand

1920

Discovery of electron cloud-Erwin Schrodinger, Werner Heisenberg, Austria

1925

Quantum Mechanical Model-Erwin Schrodinger-Austria

1926

Discovery of Neutron- James Chadwick-England

1930

Grandpa Mel's Birthday

July 29, 1936

Captain America First Comic Appearance

March 1941

End of World War II

1945

JFK Assassination

November 22, 1963

Mom's Birthday

June 12, 1965

Release Of Rocky with Sylvester Stallone

1967

Quark discovery-Murray Gell-Man, George Zweig-California

1968

Apollo 11 Space Launch

July 20, 1969

My Birthday

July 1, 2001

9/11

September 11, 2001

White Sox win the World Series!

October 2005

First iPhone

2007

First Day of Highschool

August 2015

Life of Pablo Album Release-Kanye West

February 14, 2016

Death of Muhuammad Ali

June 3, 2016