• Date letters were used on English silver from 1478.
  • The wood screw was introduced in about 1660. 
  • The clock pendulum was invented in 1660. 
  • Walnut generally replaced oak in English furniture from about 1690. 
  • Cut glass was first produced in England in 1709. 
  • Mahogany generally replaced walnut in English cabinet making from about 1725. 
  • "Tears" (bubbles of air) in glass were used for decorative purposes between 1715 and about .1760.
  • Soft paste porcelain production began in Chelsea in about 1745.
  • Excavation of Pompeii and Herculaneum began in 1748.
  • Chippendale's book "The Gentleman and Cabinet Maker's Director" was published in 1754.
  • Blue jasperware was first produced in 1774.
  • Knops (variously shaped swollen blobs of glass) were not used to decorate the stems of glasses after 1780.
  • The monarch's head was first used in silver hallmarks in 1784.
  • The pontil mark, left on the base of a glass by the rod holding it during blowing, was never removed before 1745 and always removed after 1780.
  • Ireland was granted free trade with Britain in 1780 and Irish glass production flourished from that date.
  • Hepplewhite's book "The Cabinet-maker and Upholsterer's Guide" was published in 1788.
  • Round machine-made nails replaced square hand-made nails from about 1790.
  • Sheraton's book "The Cabinet-maker and Upholsterer's Drawing Book" was published in 1791.
  • Pottery numbers and names were not used on pottery before 1810.
  • The uncrowned leopard's head was used in English silver hallmarks from about 1821.
  • Production of pressed glass began in 1825.
  • Wax matches were introduced in 1826.
  • Royal arms were not used on English china before 1800. The word "Royal" was not commonly added to a manufacturer's name (e.g. Royal Doulton) before 1850.
  • Sprung chair seats were introduced in about 1830.
  • Singer produced the first practical domestic sewing machine in 1858.
  • Kerosene was first produced in 1859 and quickly became widely used.
  • Flat irons were used from about 1860.
  • Cast-iron stoves were common from the 1860s (replacing open fires).
  • The English Trade Mark Act became law in 1862.
  • Gas was commonly used for interior lighting from the 1870s.
  • The English Companies Act introduced limited liability in 1860 but use of the word "Limited" in company names was not common until 1885.
  • The first telephone was exhibited in 1876.
  • The American McKinley Tariff Act of 1891 required all imports to bear the name of the country of origin.
  • The electric iron was introduced in 1891.
  • The pedestal table telephone, with a separate earpiece, was introduced in 1901,
  • Hoover introduced the first electric vacuum cleaner in 1912. They were common by the 1920s.
  • Czecho-slavakia (with the hyphen) was founded in 1918; the hyphen was dropped around the end of the 1920s and the country split up in 1993.
  • Plywood was used for drawer dividers and furniture backs from the late 1910s, as a base for veneers from the 1920s and as a primary material in furniture from the 1930s.
  • Japanese items were marked "Made in Nippon" before 1921; from 1921 they were marked "Made in Japan" except that from 1945 to 1952 they were often (but not always) marked "Made in Occupied Japan".
  • The plastic cradle telephone was introduced in 1930.
  • Mains powered valve radio sets were introduced in 1930.
  • Postal zones for major U.S. cities (e.g. NY 23) were used from May 1943; zip codes and two-letter, capitalised state codes replaced postal zones from July 1963.
  • Phillips (cross) head screws were not used until after 1945.
  • From 1945 to 1952, German items were marked "US Zone", "British Zone" or "French Zone"; in the early 1950s, they were marked "Western Germany" and from the mid-1950s to 1980, "West Germany".
  • From 1949 to 1978, (mainland) Chinese products were marked "made in the People's Republic of China" while Taiwanese products were marked "made in the Republic of China" or "made in China (ROC)". From 1978, they were marked "made in China" and "made in Taiwan", respectively.
  • Indonesia came in existence in 1949.
  • The use of 3-digit are codes in U.S. phone number began in November 1951.
  • In the 1950s and 60s, Hong Kong products were marked "made in British Hong Kong"; from the 1970s, they were marked "made in Hong Kong".
  • Malaysia came into existence in 1963.