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United States

  • 14 Jun 1990

    Police checks on drunk drivers was declared constitutional by the US Supreme Court.

  • 13 Sep 1989

    'Uncle Sam' became the official nickname of the United States.

  • 8 Sep 1988

    Yellowstone National Park closed for the first time in US history due to ongoing fires.

  • 1 Sep 1982

    The United States of America founded Space Command (SPACECOM), the first of its kind in the US Armed Forces.

  • 23 Nov 1980

    The National Black Independent Political Party (NBIPP) was formed in the US.

  • 1 Jan 1971

    America banned all advertisements of cigarettes on TV and radio.

  • 20 Dec 1968

    The Zodiac Killer claimed two more victims.

  • 24 Jun 1964

    An announcement was made to say that all cigarette packages in the US must display health warnings.

  • 14 May 1964

    Underground America Day was first observed, which recognizes the approximately 6,000 people who live in some form of underground architecture across North America.

  • 1 Nov 1963

    The Arecibo Ionospheric Observatory in Arecibo, Puerto Rico, was officially opened.

  • 1 Jul 1963

    The United States Postal Service introduced ZIP codes for US mail.

  • 10 Jun 1963

    The US signed the Equal Pay Act to reduce the difference in pay between sexes.

  • 9 May 1960

    The United States became the first country to legalize a birth control pill.

  • 5 Jun 1956

    The District Court ruled that segregation was unconstitutional in Montgomery.

  • 13 Apr 1953

    The director of the CIA launched Project MKUltra, the US' top secret mind control program.

  • 15 Jan 1943

    Construction of The Pentagon was completed.

  • 22 Jun 1942

    The United States Congress formally recognized the Pledge of Allegiance and added it to the Federal Flag Code.

  • 1 Feb 1942

    Voice of America, the US' official external radio and television service, began broadcasting.

  • 31 Oct 1941

    After 14 years of work, Mount Rushmore was completed.

  • 24 Jan 1935

    The first canned beer received instant approval from customers.

  • 25 Nov 1924

    USPTO received a trademark for the Kleenex brand name.

  • 13 Jun 1920

    US Post Office banned customers from mailing children and animals.

  • 16 Jan 1919

    Alcohol became illegal in most states of America.

  • 13 May 1918

    The first US airmail stamps were issued, costing 24 cents.

  • 31 Mar 1918

    The US daylight saving time went into effect.

  • 11 Mar 1918

    The Spanish Flu received its first case in the US.

  • 19 Feb 1914

    Frugal parents mailed their four-year-old child 73 miles from their home to the child's grandparents.

  • 4 Mar 1913

    The United States Department of Labor was formed.

  • 19 Jun 1910

    Father's Day was celebrated for the first time in the US.

  • 24 Aug 1909

    The first installment of concrete was poured into the Panama Canal.

  • 19 Dec 1903

    The Williamsburg suspension bridge opened.

  • 6 Oct 1898

    The largest music fraternity in the USA, Phi Mu Alpha Sinfonia, was founded.

  • 28 Jun 1894

    Labor Day became an official US holiday.

  • 12 Oct 1892

    The Pledge of Allegiance was first recited in American schools.

  • 13 Aug 1892

    The Baltimore Afro-American newspaper was published for the first time.

  • 1 Jan 1892

    Ellis Island opened as a US immigration inspection station.

  • 1 Oct 1890

    The United States Congress established Yosemite National Park.

  • 26 Sep 1890

    The US Congress abolished the gold dollar and three-dollar coins.

  • 1 May 1886

    A national strike began in the United States, calling for an eight-hour workday instead of 12 hours.

  • 12 Jan 1885

    The oldest soft drink brand, Dr Pepper, sold its very first bottle in the USA.

  • 2 May 1878

    American Congress eliminated the twenty-cent coin.

  • 1 Nov 1870

    The United States Weather Bureau made its first comprehensive weather forecast.

  • 22 Jun 1870

    The United States Department of Justice was formed.

  • 30 Mar 1870

    The US adopted the 15th Amendment, guaranteeing citizens the right to vote.

  • 23 Jan 1870

    US cavalrymen massacred 200 Piegan Blackfeet in the Marias Massacre.

  • 23 Mar 1868

    The University of California was founded.

  • 16 May 1866

    The US Congress approved the 5 cent nickel.

  • 13 Nov 1865

    The United States issued gold certificates to battle counterfeit notes.

  • 5 Jul 1865

    The United States Secret Service was formed.

  • 22 Apr 1864

    The US Congress passed legislation that allowed the 'In God We Trust' inscription on the currency.

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