1900, Max Planck proposes quantum theory

1901, Marconi sends wireless message from Cornwall to Newfoundland

1903, First flight by Wright Brothers at Kitthawk, NC

1905, Aliens Act in Britain tries to control immigration

1904-1907, 60% increase in union membership in Britain

1911, British National Insurance Act lays foundation for health and unemployment insurance

1912: The Sinking of the Titanic 1,515 people lose their lives.

1913, First assembly line introduced in Ford automobile factory

C. Wright Mills (1916-1962)

1917, The Russian Revolution

1932-1972, The Tuskegee Syphilis Study

1924, U.S. passes National Origins Act limiting immigration

1945: The Atomic Age begins with atomic bombs dropped on Hiroshima and Nagasaki, ending World War II

1950: The Information Revolution Begins

1900
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1800
1700