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  2. Anniversary - Wikipedia

    en.wikipedia.org/wiki/Anniversary

    It is a coined word for an anniversary of 175 years, but the elements of the word literally refer to an anniversary of 35,000 years, as follows: septaquinta- (70) × quinque- (5) × centennial (100 years) 200 years: Bicentennial Bicentenary 225 years: Quasquibicentennial: 250 years: Sestercentennial

  3. Table of mathematical symbols by introduction date - Wikipedia

    en.wikipedia.org/wiki/Table_of_mathematical...

    The following table lists many specialized symbols commonly used in modern mathematics, ordered by their introduction date. The table can also be ordered alphabetically by clicking on the relevant header title.

  4. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    100 d (1 hd) 100 days, roughly equivalent to 1/4 of a year (91.25 days). In Chinese tradition "bǎi rì" is the hundredth day after one's birth, also called Baby's 100 Days Celebration. semester: 18 weeks: A division of the academic year. [6] Literally "six months", also used in this sense. lunar year: 354.37 d: year: 12 mo: 365 or 366 d ...

  5. Century - Wikipedia

    en.wikipedia.org/wiki/Century

    According to the strict construction, the 1st century AD, which began with AD 1, ended with AD 100, and the 2nd century with AD 200; [note 1] in this model, the n-th century starts with a year that follows a year with a multiple of 100 (except the first century as it began after the year 1 BC) and ends with the next coming year with a multiple ...

  6. Longevity myths - Wikipedia

    en.wikipedia.org/wiki/Longevity_myths

    The Old Man of the South Pole is a common archetype and symbol for ... Most examples given in it are lifespans of 80 to 100 years, but some are much longer: ...

  7. 5 Foods That Will Help You Live for 100 Years, According to ...

    www.aol.com/5-foods-help-live-100-194400761.html

    That’s because diet can influence key aging mechanisms like inflammation, cellular repair, and insulin sensitivity. These all play critical roles in determining lifespan, explains Dr. Darshan ...

  8. 100-Year-Old Companies Still in Business Today

    www.aol.com/100-old-companies-still-business...

    The United Parcel Service is young in comparison to the USPS, which was founded back in 1775, but UPS still weighs in at over 100 years old, having been established back in 1908 by a 19-year-old ...

  9. History of ancient numeral systems - Wikipedia

    en.wikipedia.org/wiki/History_of_ancient_numeral...

    In the Etruscan system, the symbol 1 was a single vertical mark, the symbol 10 was two perpendicularly crossed tally marks, and the symbol 100 was three crossed tally marks (similar in form to a modern asterisk *); while 5 (an inverted V shape) and 50 (an inverted V split by a single vertical mark) were perhaps derived from the lower halves of ...