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Period: to
Early American History
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Declaration of Independence signed
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Constitution written
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Bill of Rights ratified
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Period: to
Civil War/Reconstruction
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Homestead Act (1862)
Provided 160 Acres to Anyone Willing to Settle on Land in the West -
13th Amendment
Abolished Slavery -
14th Amendment
Citizenship & Due Process -
Transcontinental Railroad Completed
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15th Amendment
Voting for All Male Citizens -
Telephone invented by Alexander Graham Bell
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Period: to
The Gilded Age
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Period: to
The Progressive Era
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Sherman Antitrust Act (1890)
Outlawed Business Monopolies -
Plessy v. Ferguson
Legalized Segregation, Established “separate but equal” -
Period: to
Imperialism
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Period: to
World War I
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Period: to
Roaring Twenties
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Period: to
Great Depression
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Period: to
World War II
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Period: to
Early Cold War
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United Nations formed
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Truman Doctrine (1947)
U.S. Policy That Gave Military and Economic Aid to Countries Threatened by Communism -
Marshall Plan (1948)
Program to Help European Countries Rebuild After World War II -
Berlin Airlift
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NATO established
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Period: to
Civil Rights Era
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Period: to
Korean War
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22nd Amendment
Prohibits Anyone Who Has Been Elected President Twice From Being Elected Again -
Rosenburg Trail
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First H-Bomb detonated by the United States
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Jonas Salk invents the Polio Vaccine
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Period: to
Vietnam War
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USSR launches Sputnik
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Cuban Missile Crisis
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Gulf of Tonkin Resolution
Begins undeclared war in Vietnam. -
Medicare and Medicaid established
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Tet Offensive
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Tinker v. Des Moines
Defined the First Amendment rights for students in the United States Public Schools. -
Period: to
End of the Cold War
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Kent State University Shooting
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Pentagon Papers leaked
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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. -
Watergate Scandal, which leads to Nixon's resignation.
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Fall of Saigon
Marks the end of the Vietnam War. -
Camp David Accords
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Three Mile Island Disaster
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Iran Hostage Crisis
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Iran Contra Affair
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Period: to
1990s-21st Century