World general knowledge

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*There are different words for people in each decade of age:*

- A person between 10 and 19 years old is called a denarian.
- A person between 20 and 29 is called a vicenarian.
- A person between 30 and 39 is called a tricenarian.
- A person between 40 and 49 is called a quadragenarian.
- 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.
- A person between 90 and 99 is called a nonagenarian.
- A person between 100 and 109 is called a centenarian.
- A person 110 years old or older is called a supercentenarian.