150 years (but spelling should be SESQUICENTENNIAL)
1000 years
A quasquicentennial is a term used to denote a period of 125 years. It combines the Latin prefix "quasqui-" meaning 25 and "centennial," which refers to 100 years. This term is often used to celebrate significant anniversaries or milestones that occur every 125 years.
There are many things the term 100s can refer to when being used. Some of the more common things it refers to are 100 dollar American bills and the years in the 100s.
Half a millennium is called a "half-millennium" and consists of 500 years. The term "millennium" typically refers to a period of 1,000 years, so half of that would logically be 500 years.
A senator's term is 6 years, but they have no term limit.
Each term is four years.
8 years
2 years :)
6 years
4 years
It refers to an illness that will take years off a life.
The term of a president is 4 years, and they can run for two terms.