A sexennium is a period of six years, but this word is rarely used. Saying 'six years' is more common.
Sexennial means (i) happening every six years, or (ii) something which happens over a six year period.
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A period of six years is called a sextennium.
A period of 600 years is often referred to as a sexcentenary.
A Period of ten years is called a decade.
A period of 10 years is called a decade.
A period of 100 years is called a century.
A period of 100 years is called a century.
A period of ten years is a decade.
Senators in the US are elected for a period of six years. They can be re-elected.
The period of 100 years is called a century. A period of 10 years is a decade, and 1000 years is a millennium.
By election of the state's voters to serve for a period of six years.
A period of six months is called half a year.
A period of 1 thousand year is called a millennium.
a five-year period is a quinquennium