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  2. Decimal Day - Wikipedia

    en.wikipedia.org/wiki/Decimal_Day

    The Russian ruble was the first decimal currency to be used in Europe, dating to 1704, though China had been using a decimal system for at least 2000 years. [2] Elsewhere, the Coinage Act of 1792 introduced decimal currency to the United States, the first English-speaking country to adopt a decimalised currency.

  3. Decimalisation - Wikipedia

    en.wikipedia.org/wiki/Decimalisation

    Decimalisation or decimalization (see spelling differences) is the conversion of a system of currency or of weights and measures to units related by powers of 10.. Most countries have decimalised their currencies, converting them from non-decimal sub-units to a decimal system, with one basic currency unit and sub-units that are valued relative to the basic unit by a power of 10, most commonly ...

  4. £sd - Wikipedia

    en.wikipedia.org/wiki/£SD

    The United States of America was among the first to drop the £sd system and adopt a decimal currency in 1792, 10 years after independence from the British Empire, but retains many other aspects of the customary units for length and weight. Australia, on the other hand, only changed to using a decimal currency on 14 February 1966, 65 years ...

  5. Plan for Establishing Uniformity in the Coinage, Weights, and ...

    en.wikipedia.org/wiki/Plan_for_Establishing...

    In the evolutionary approach, the foot was to be derived from these lengths by a simple integer factor, which would be either three (pendulum) or five (rod), i.e. lengthening it from the traditional value of about 304 mm by slightly over 1 inch to ca. 331 mm or shortening it by about a quarter of an inch to ca. 298 mm.

  6. Date and time notation in the United States - Wikipedia

    en.wikipedia.org/wiki/Date_and_time_notation_in...

    The military date notation is similar to the date notation in British English but is read cardinally (e.g. "Nineteen July") rather than ordinally (e.g. "The nineteenth of July"). [citation needed] Weeks are generally referred to by the date of some day within that week (e.g., "the week of May 25"), rather than by a week number. Many holidays ...

  7. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    As many decimal places may be used as required for precision, so 0.5 d = 0.500000 d. Fractional days are often calculated in UTC or TT, although Julian Dates use pre-1925 astronomical date/time (each date began at noon = ".0") and Microsoft Excel uses the local time zone of the computer. Using fractional days reduces the number of units in time ...

  8. History of time in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_time_in_the...

    The evolution of United States standard time zone boundaries from 1919 to 2024 in five-year increments. Plaque in Chicago marking the creation of the four time zones of the continental US in 1883 Colorized 1913 time zone map of the United States, showing boundaries very different from today Map of U.S. time zones during between April 2, 2006, and March 11, 2007.

  9. Metrication in the United States - Wikipedia

    en.wikipedia.org/wiki/Metrication_in_the_United...

    A Metric America: A Decision Whose Time Has Come on nist.gov Archive.org; Metric Conversion Act of 1975 on nist.gov Archive.org; www.us-metric.org—U.S. Metric Association (mirror link) Mean Mr Metric—Satire about the (non)conversion to metric units. One of the highest scoring submissions to the Internet Oracle. Originally written by Jim ...