A period of 75 years is called a "septuagenary."
A period of six months is called half a year.
When you are ninety years old, you are called a nonagenarian.
It depends of the age, there isn't a specific time that it has to last.
Sean Connery was born on August 25, 1930.
A quarter century.
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 75 years is called a "septuagenary."
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.
The period of 100 years is called a century. A period of 10 years is a decade, and 1000 years is a millennium.
A period of forty years is called a quadragennial.
silver jubley
75 years is equivalent to 3/4 of a century
One quarter. A century is 100 years, therefore 25 years is one quarter of that period (because 4 x 25 = 100).