Important dates in U. S. history

  • Philadelphia committee

    Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
  • The Boston Tea Party

    The Boston Tea Party

    The Boston Tea Party was an American political and mercantile protest by the Sons of Liberty in Boston, Massachusetts
  • Revolutionary war

    Revolutionary war

    The American Revolutionary War, also known as the Revolutionary War or American War of Independence, secured a United States of America independent from Great Britain.
  • Declaration of Independence

    Declaration of Independence

    The United States Declaration of Independence is the pronouncement adopted by the Second Continental Congress meeting in Philadelphia, Pennsylvania.
  • Articles of confederation

    Articles of confederation

    The Articles of Confederation and Perpetual Union was an agreement among the 13 original states of the United States of America that served as its first frame of government.
  • War of 1812 Peace Treaty signed

    War of 1812 Peace Treaty signed

    The Treaty of Ghent was the peace treaty that ended the War of 1812 between the United States and the United Kingdom.
  • Walden publish

    Henry David Thoreau publishes Walden
  • Congress passes 13th Amendment abolishing slavery

    Congress passes 13th Amendment abolishing slavery

    Passed by Congress on January 31, 1865, and ratified on December 6, 1865, the 13th amendment abolished slavery in the United States. ... Lincoln recognized that the Emancipation Proclamation would have to be followed by a constitutional amendment in order to guarantee the abolishment of slavery.
  • Ecology

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

    The term acid rain is coined by Robert Angus Smith in the book Air and Rain
  • World's first movie theater opens in Paris

    World's first movie theater opens in Paris

    the world's first commercial movie screening takes place at the Grand Cafe in Paris.
  • Smog

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

    US Congress created the National Park Service
  • Japan bombs Pearl Harbor, Hawaii

    Japan bombs Pearl Harbor, Hawaii

    The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu,
  • Alaska becomes 49th U.S. state

    Alaska becomes 49th U.S. state

    After the annual introduction of various statehood bills H.R. 7999 passed in the House on May 28, 1958, passed in the Senate on June 30, 1958 and was signed into law by the President on July 7, 1958. On January 3, 1959 he signed the official proclamation admitting Alaska as the 49th state.
  • Silent spring

    Rachel Carson publishes Silent Spring
  • Apollo 8

    The Apollo 8 picture of Earthrise
  • First successful human heart transplant performed

    First successful human heart transplant performed

    Christiaan Barnard with his team, performed the world's first human-to-human heart transplant operation
  • First earth day

    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

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

    The Kyoto Protocol was negotiated in Kyoto, Japan in December. Countries commit to reduce their emissions of carbon dioxide
  • Us rejects

    U.S. rejects the Kyoto Protocol
  • Paris agreement

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

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