a centennial. a period of 100 years; century.
A century is a period of a hundred years that is used when stating a date. For example, the 19th century was the period from 1801 to 1900.
consisting of or lasting 200 years: a bicentennial period.
A person between 50 and 59 is called a quinquagenarian. A person between 60 and 69 is called a sexagenarian. A person between 70 and 79 is called a septuagenarian. A person between 80 and 89 is called an octogenarian.
quincentennial (not comparable) Of or related to a 500th anniversary.
Septuagenary. 75 years. Semisesquicentennial. Diamond. Diamond is separately used for the 60th anniversary.
millennium, a period of 1,000 years.
Silver jubilee marks a 25th anniversary, also known as a quadranscentennial anniversary.
vicennial. / (vɪˈsɛnɪəl) / adjective. occurring every 20 years. relating to or lasting for a period of 20 years.
sep·ten·ni·al sep-ˈte-nē-əl. : occurring or being done every seven years. : consisting of or lasting for seven years. septennially.
tercentennial. / (ˌtɜːsɛnˈtiːnərɪ) / adjective. of or relating to a period of 300 years. of or relating to a 300th anniversary or its celebration.
ses·qui·cen·ten·ni·al ˌses-kwi-sen-ˈten-ē-əl. : a 150th anniversary or its celebration. sesquicentennial adjective. Last Updated: 25 Dec 2022 - Updated example sentences.
Quadricentennial, kwod-ri-sen-ten′i-al, adj. pertaining to a period of 400 years.
(period of 50 years): semicentury, semicentennial.
pertaining to, or marking the completion of, a period of 100 years.
Duodecennial word can be used as alternatively for a gap once in 12 years .
a person who is between 70 and 79 years old is a septuagenarian. a person who is between 80 and 89 years old is an octogenarian. a person who is between 90 and 99 years old is a nonagenarian.
Adolescence (15-17 years old) | CDC.
“Vicennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vicennial.
50th Anniversary - Golden. 55th Anniversary - Emerald. 60th Anniversary - Diamond. 65th Anniversary - Blue Sapphire.
This will be the next Diamond Jubilee, though it shouldn't be confused with the Diamond anniversary that took place in 2012. After this is the 80th anniversary, which would take place in 2032, known as the Oak Jubilee.
A decade is a period of ten years, especially one that begins with a year ending in 0, for example 1980 to 1989. ...
5000 years is 5 millennia.
The term to describe a million years is a "megaannum" which comes from the word parts "mega" which means "huge" and "annum" which means year.
A millennium is one million years. The next largest (bigger) period of time is an Eon, which is one billion years. A millennium is 1 thousand years. A decem millennium is bigger, being 10 thousand years and up to an eon which is 1 billion years.