Important Dates in U.S. History

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

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

  • The Boston Massacre

    The Boston Massacre

    A mob of colonists attacked British soldiers for their independence.
  • The Declaration of Independence is Signed.

    The Declaration of Independence is Signed.

    Signed by Thomas Jefferson, the Declaration of Independence separated America from Great Britain.
  • George Washington is elected as the first President

    George Washington is elected as the first President

  • "The Star Spangled Banner" is Written.

    "The Star Spangled Banner" is Written.

    The iconic song is written by Francis Scott Key.
  • Henry David Thoreau publishes Walden

    Henry David Thoreau publishes Walden

  • 13th Amendment Abolished Slavery

    13th Amendment Abolished Slavery

    Slavery was abolished in the United States by former President Abraham Lincoln.
  • The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel

    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

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

  • The Ford Model T appears on the Market.

    The Ford Model T appears on the Market.

    The first known automobile was placed on the market by Henry Ford.
  • US Congress created the National Park Service

    US Congress created the National Park Service

  • The United States enter World War I

    The United States enter World War I

    The United States entered World War I after former President Woodrow Wilson wanted to "make the world safe for democracy".
  • Japanese Attack on Pearl Harbor

    Japanese Attack on Pearl Harbor

    The Japanese airships bombed multiple ships on Pearl Harbor which caused the United States to enter World War II.
  • The Apollo 8 picture of Earthrise

    The Apollo 8 picture of Earthrise

  • United States wins Space Race

    United States wins Space Race

    The United States beat Soviet Russia in the Space Race by landing a man on the moon.
  • First Earth Day – April 22. Millions of people gather in the United States for the first Earth Day. US Environmental Protection Agency established

    First Earth Day – April 22. Millions of people gather in the United States for the first Earth Day. US Environmental Protection Agency established

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

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

  • Terrorist Attack (September 11th)

    Terrorist Attack (September 11th)

    A terrorist attack was made on New York's Twin Towers alongside the World Trade Center on September 11th, 2001.
  • U.S. announces it will cease participation in the Paris Agreement on climate change mitigation

    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

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