-
Signing of Declaration of Independece
-
Industrial Revolution
-
End of Slave Trade
-
Golden age of Invention & Innovation in Machinery
-
Texas Annexation
-
Civil War
-
The Civil Right Act
-
General Electric Founded
-
Henry Ford's automotive assembly line
-
Social Security
-
World War ll
-
Korean War
-
Social Responsibility Movement
-
Vietnam War
-
The US Departments of Energy is Established
-
End of Cold War
-
Internet
-
Attack on World Trade Center