A quarter century.
It is called nine centuries.
There is no widely used term for such a period.
That 1000 years is called the Middle Ages, medieval period, or even Age of Faith.
a quadrennial
period
A period of 25 years is commonly referred to as a "quarter-century."
A period of 25 years is called a "quarter century." This term is often used to refer to significant milestones or anniversaries that occur every 25 years.
dodranscentennial
A period of 25 years is called a "quarter-century." This term is derived from the fact that a century is made up of 100 years, so a quarter-century represents a quarter of that time span. It is commonly used in various contexts, such as history, planning, and forecasting.
A period of 100 years is called a century.
A period of 10 years is called a decade.
A period of 100 years is called a century.
A period of ten years is a decade.
The period of 100 years is called a century. A period of 10 years is a decade, and 1000 years is a millennium.
Type your answer here... Forty years is 4 decades or two score years.
silver jubley
75 years is equivalent to 3/4 of a century