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  2. Coin wrapper - Wikipedia

    en.wikipedia.org/wiki/Coin_wrapper

    The proportional dimensions of pre-decimal coins continued past Decimal Day, meaning that the 2p and 10p coins weighed twice the 1p and 5p respectively; this correlation was continued when the 5p (1990) and 10p (1992) coins were reduced in size, leading to the situation that full bags of 1p and 2p coins, and 5p and 10p coins, have the same ...

  3. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    Congress continued to issue paper money after the Civil War, the latest of which is the Federal Reserve Note that was authorized by the Federal Reserve Act of 1913. Since the discontinuation of all other types of notes (Gold Certificates in 1933, Silver Certificates in 1963, and United States Notes in 1971), U.S. dollar notes have since been ...

  4. Metrication in the United States - Wikipedia

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

    While early floppy disks had a nominal package size of 5 1 ⁄ 4 inches (approximately 130 mm), the nominal design diameter of the replacement "3 1 ⁄ 2 inch" disks was actually 90 mm. CDs and DVDs are 120 mm in diameter, but their size is rarely mentioned; mini CDs are sometimes called 80 mm CDs.

  5. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    The silk for a spider's web is 5–7 μm (0.00020–0.00028 in) wide. The micrometre (SI symbol: μm) is a unit of length in the metric system equal to 10 −6 metres (⁠ 1 / 1 000 000 ⁠ m = 0. 000 001 m).

  6. Hong Kong dollar - Wikipedia

    en.wikipedia.org/wiki/Hong_Kong_dollar

    In 1945, paper money production resumed essentially unaltered from before the war, with the government issuing 1 cent, 5 cents, 10 cents, and 1-dollar notes, and the three banks issuing 5, 10, 50, 100 and 500-dollar notes. 1-dollar notes were replaced by coins in 1960, with only the 1-cent note issued by the government after 1965.

  7. Banknotes of the Canadian dollar - Wikipedia

    en.wikipedia.org/wiki/Banknotes_of_the_Canadian...

    Notes of $5 were issued starting in 1912. The last 25¢ notes, known as shinplasters due to their small size, were dated 1923. Special notes called Bank Legals were issued by the Dominion of Canada only to banks for transferring large sums of money in denominations of $500, $1,000, $5,000, and $50,000. [11]

  8. 2024 United States presidential election - Wikipedia

    en.wikipedia.org/wiki/2024_United_States...

    Harris quickly announced her campaign and secured enough delegate endorsements by July 22 to become the presumptive nominee. [230] Biden's withdrawal made him the first eligible incumbent president since Lyndon B. Johnson in 1968 not to seek re-election, and the first to withdraw after securing enough delegates to win the nomination. [ 231 ]

  9. List of metric units - Wikipedia

    en.wikipedia.org/wiki/List_of_metric_units

    The angstrom (symbol Å) is a unit of distance used in chemistry and atomic physics equal to 100 pm. The micron (μ) is a unit of distance equal to one micrometre ( 1 μm ). The basic module (M) is a unit of distance equal to one hundred millimetres ( 100 mm ).