U.S. History dates

By 106323emiily

  • Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution

  • Declaration of Indepedence

    Declaration of Indepedence

    Where we pronounced the second continental congress!
  • Constitution of the United States of America

    Constitution of the United States of America

    To show that we are independent and show we can have freedom of speech.
  • Louisiana Purchase

    Louisiana Purchase

    It was signed in France and then America signed for it and then it became a state. 828,000 total square miles.

  • Henry David Thoreau publishes Walden

  • Battle of Gettysburg

    Battle of Gettysburg

    It is very important because it was a turning point of the Civil War.

  • The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel

  • The term acid rain is coined by Robert Angus Smith in the book Air and Rain

  • Plessy v. Ferguson

    Plessy v. Ferguson

    The U.S. Supreme Court gave constitutional sanction to laws designed to achieve racial segregation by means of separate and supposedly equal public facilities and services for African Americans and whites.

  • The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution

  • Sinking of the Lusitania

    Sinking of the Lusitania

    Though is the U.S. economy had benefited greatly from supplying food, raw material, and guns and ammunition to the Allies. Prompted the U.S. to join the war on the side of the Allies. Leaving behind its isolationism, the U.S. became a global superpower, though by decade’s end it would recoil from membership in the fledgling League of Nations.

  • US Congress created the National Park Service

  • Stock Market Crash

    Stock Market Crash

    American economy humming during the “Roaring Twenties” .The era came to a close in October 1929 when the stock market crashed, setting the stage for years of economic deprivation and calamity during the Great Depression.
  • Atomic Bombing of Hiroshima and Nagasaki

    Atomic Bombing of Hiroshima and Nagasaki

    The events of August 6 and August 9 were the first instances of atomic bombs used against humans, killing tens of thousands of people, obliterating the cities, and contributing to the end of World War II.

  • Rachel Carson publishes Silent Spring

  • he Apollo 8 picture of Earthrise

  • Assassination of Martin Luther King, Jr.

    Assassination of Martin Luther King, Jr.

    The most prominent civil rights leader, revealed the tragic, violent consequences that could result from a country’s political polarization.

  • Earth Day

    millions of people gather in the United States for the first Earth Day organized by Gaylord Nelson, former senator of Wisconsin, and Denis Hayes, Harvard graduate student. US Environmental Protection Agency established

  • Montreal Protocol on substances that deplete the ozone layer entered into force

  • The Kyoto Protocol was negotiated in Kyoto, Japan in December

    Countries that ratify this protocol commit to reduce their emissions of carbon dioxide and five other greenhouse gases

  • U.S. rejects the Kyoto Protocol

  • September 11 Attacks

    September 11 Attacks

    Terrorist attacks had been directed at the United States. When Islamist terrorists crashed hijacked planes into the World Trade Center in New York City, the Pentagon in Washington, D.C., and the Pennsylvania countryside, resulting in the deaths of nearly 3,000 people.

  • U.S. announces it will cease participation in the Paris Agreement on climate change mitigation

  • U.S. announces it will rejoin the Paris Agreement on climate change mitigation