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1790:  90% of Americans lived on farms compared to the 2% in modern times.

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1790:  90% of Americans lived on farms compared to the 2% in modern times.

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1865: Only 85% lived in urban areas. With their homes being lit by oil lamps and candles.

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1865: Only 85% lived in urban areas. With their homes being lit by oil lamps and candles.

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1876: The telephone was invented by Alexander Graham Bell

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1876: The telephone was invented by Alexander Graham Bell

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1879: Thomas Edison invents the light bulb.

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1879: Thomas Edison invents the light bulb.

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1882: the light bulb is used to power homes and streets. Letting businesses stay open later 

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1882: the light bulb is used to power homes and streets. Letting businesses stay open later 

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1883-1885: Steel became an important resource for building the longest suspension bridge in the world at 6,700 feet across

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1883-1885: Steel became an important resource for building the longest suspension bridge in the world at 6,700 feet across

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1891: There were over 1,300 electricity stations, providing enough electricity to power about 3 million light bulbs.

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1891: There were over 1,300 electricity stations, providing enough electricity to power about 3 million light bulbs.

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1893: The first U.S. gas-powered automobile was built, 130 years ago, by the Illinois-born Charles and Frank Duryea in Springfield, Massachusetts. The Duryea automobile had a one-cylinder, four-horsepower engine

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1893: The first U.S. gas-powered automobile was built, 130 years ago, by the Illinois-born Charles and Frank Duryea in Springfield, Massachusetts. The Duryea automobile had a one-cylinder, four-horsepower engine

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1900: nearly a million miles of telegraph wires were carrying more than 60 million messages a year.

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1900: nearly a million miles of telegraph wires were carrying more than 60 million messages a year.

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1900: Many Americans illuminated their homes with electric lights, kept foods cold in electric refrigerators, and could send news across the continent an instant by telegraph or telephone.

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1900: Many Americans illuminated their homes with electric lights, kept foods cold in electric refrigerators, and could send news across the continent an instant by telegraph or telephone.

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1903: After that initial success from Orville and Wilbur Wright, inventors worked continually to improve airplane design and have the human race take flight.

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1903: After that initial success from Orville and Wilbur Wright, inventors worked continually to improve airplane design and have the human race take flight.

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1920: The number of commercial telephones had grown to at least 13 million.

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1920: The number of commercial telephones had grown to at least 13 million.

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1920: More than 50% of Americans lived in towns and cities than in rural areas.

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1920: More than 50% of Americans lived in towns and cities than in rural areas.