Urbanization

  • Transcontinental Railroad Completed

    This was the start of urbanization of western cities, due to the better access and less dangerous travel
  • Chicago Fire Started

    The famous Chicago Fire was started, and was spread so rapidly due to urbanization, with bad builsing materials.
  • First Skyscraper Built

    The first steel-framed skyscraper was built in Chicago. The Home Insurance Company, a 10 story office building in Chicago was built.
  • Statue of Liberty Finished

    Statue of Liberty finished, a symbol of the freedom of America for immigrants coming to America
  • The Triangle Shirtwaist Factory Fire

    This fire caused 146 deaths, which was the primary reason of overcrowded factories, with little escape areas.
  • Empire State Building Finished

    Empire State Building is finished, the largest building to date in America, showing that American cities are growing vertically
  • Clean Air Act of 1963

    This act led to the reduction of pollution of major cities and reducing smog and acid rain
  • Clean Water Act Passed

    Congress passed the clean water act to help better the water quality of sewers and public water.
  • Interstate 80 completed

    Interstate 80 was completed, being the longest interstate in the world, giving daily car drivers the ability to travel to cities to settle, making America more accessible
  • 293 US Cities over 100,000 People

    As of a July 1, 2012 Census estimate, 293 cities have over 100,000 people, showing that urbanization has greatly impacted some of the major cities of the United States