10 Most ImportantInventions or Technological

AdvancementsZach McNamara

Mr. Aloisi- AP US HistoryMay 1, 2008

1600s

• Steam Engine, 1698

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1700s

• Cotton Gin, 1793

1800s

• Railroads, 1830s• Bessemer Process, 1845

1900 to 1950

• Airplane, 1902• Automobile/Assembly Line, 1910s• Radio, 1930s• Nuclear Weapons, 1945

1950 to 2000

• Television, 1950s• Explorer Satellite, 1958• Internet, 1980s