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Early American History
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Civil War/ Reconstruction
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The Gilded Age
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The Progressive Era
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Imperialism
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World War I
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Roaring 20s
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Great Depression
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World War II
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United Nations formed
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Early Cold War
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Truman Doctrine
U.S. policy that gave military and economic aid to countries threatened by communism -
22nd Amendment
prohibits anyone who has been elected president twice from being elected again -
Berlin Airlift
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Marshall Plan
program to help European countries rebuild after World War II -
NATO established
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Civil Rights Era
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Rosenbergs trial
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First H-Bomb detonated by the United States
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Korean War
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Vietnam War
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Jonas Salk invents the Polio Vaccine
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USSR launches Sputnik
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Cuban Missile Crisis
Cuban Missile Crisis -
Gulf of Tonkin Resolution
begins undeclared war in Vietnam -
Medicare and Medicaid established
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Tet Offensive
Tet Offensive -
Tinker v. Des Moines:
defined the First Amendment rights for students in the United States Public Schools -
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End of the Cold War
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Pentagon Papers leaked
Pentagon Papers leaked -
26th Amendment
moved the voting age from 21 years old to 18 years old -
War Powers Act
law limited the President’s right to send troops to battle without Congressional approval -
Fall of Saigon, marks the end of the Vietnam War
Fall of Saigon, marks the end of the Vietnam War -
Period: to
1990s-21st Century