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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