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US Constitution is ratified
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Period: to
US History
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Bill of Rights, are ratified
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Marbury v. Madison
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Lewis and Clark set out from St. Louis, Mo., on expedition to explore the West and find a route to the Pacific Ocean
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Trail of Tears
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Mississippi, Florida, Alabama, Georgia, and Louisiana secede
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Civil War starts
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Emancipation Proclamation is issued
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President Lincoln delivers the Gettysburg Address
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Lincoln is assassinated
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Thirteenth Amendment to the Constitution is ratified, prohibiting slavery
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Thirteenth Amendment to the Constitution is ratified, prohibiting slavery
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Fourteenth Amendment to the Constitution is ratified, defining citizenship
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Fifteenth Amendment to the Constitution is ratified, giving blacks the right to vote
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U.S. adopts standard time
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Statue of Liberty is dedicated to USA
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Ellis Island becomes chief immigration station of the U.S.
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Plessy v. Ferguson
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U.S. annexes Hawaii
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Wright brothers make the first controlled, sustained flight
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Panama Canal opens to traffic
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Nineteenth Amendment to the Constitution is ratified, granting women the right to vote
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The Great Depression occurs
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The Star-Spangled Banner is adopted as the national anthem
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Amelia Earhart completes first solo nonstop transatlantic flight by a woman
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North Atlantic Treaty Organization (NATO) is established
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Twenty-Second Amendment to the Constitution is ratified, limiting the president to two terms
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Alaska becomes the 49th state
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Hawaii becomes the 50th
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Rev. Martin Luther King, Jr., delivers his “I Have a Dream” speech
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Miranda v. Arizona
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Rev. Martin Luther King, Jr., is assassinated
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Astronauts Neil Armstrong and Edwin Aldrin, Jr., become the first men to land on the Moon
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The Twenty-Sixth Amendment to the Constitution is ratified, lowering the voting age from 21 to 18
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Space shuttle Challenger explodes
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Two hijacked jetliners ram twin towers of World Trade Center in worst terrorist attack against U.S.
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President Bush signs legislation creating a new cabinet department of Homeland Security
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Space shuttle Columbia explodes upon reentry into Earth's atmosphere, killing all seven astronauts on board
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President Bush signs $350 billion tax-cut bill
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The U.S. Census Bureau estimates that the population of the United States has reached 300 million
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Barack Obama becomes the first African-American to be elected President