America's Century Timeline: 1900-1950

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William McKinley Administration

1897 - 1901

Theodore Roosevelt Administration

1901 - 1909

First airplane flight

1903

Publication of The Jungle

1906

NAACP is founded

1909

William Taft Administration

1909 - 1913

16th Amendment- Federal Income Tax

1913

Henry Ford develops the assembly line

1913

Woodrow Wilson Administration

1913 - 1921

World War I starts

1914

The Lusitania is sunk

1915

The Russian Revolution

1917

World War I ends

1919

19th Amendment- Women's Right to Vote

1920

1st Radio Broadcast

1920

Prohibition begins

1920

Warren Harding Administration

1921 - 1923

Orchard School founded

1923

Traffic signal- Garrett Morgan

1923

Calvin Coolidge Administration

1923 - 1929

Granddad born

1925

Rocket- Robert Goddard

1926

Lindbergh solos the Atlantic

1927

1st talking movie

1927

Penicillin- Alexander Fleming

1928

The Stock Market crashes

1929

Herbert Hoover Administration

1929 - 1933

Television- Vladimir Zworykin

1929

Japan invades Manchuria

1931

FDR introduces New Deal legislation

1933

Tennessee Valley Authority

1933

Franklin Roosevelt Administration

1933 - 1945

Adolph Hitler becomes chancellor of Germany

1933

WPA

1935

Social Security Act

1935

Blood plasma preservation- Dr. Charles Drew

1938

Xerox- Chester Carlson

1938

Germany invades Poland

1939

Japan attacks Pearl Harbor

1941

D-Day invasion of Normandy

1944

Harry Truman Administration

1945 - 1953

Atomic bomb dropped on Hiroshima

1945

Microwave- Percy Le Baron

1946

The Berlin Airlift

1948

Velcro- George de Mestral

1948

North Atlantic Treaty Organization

1949

North Korea invades South Korea

1950