The years divided by 100 are not leap years unless these are divisible by 400.
So 19th century has only 24 leap years but 21st century has 25 as year 2000 was a leap year.
Seven tenths !
A century is 100 years, so one quarter of a century is twenty-five years.
Ten years is a decade. Twenty years is a score.
The twenty-first century started in the year 2001. As there was no "year 0" the last year of the 20th century (set of 100 years) was 2000.
The twenty first set of one hundred years since the birth of Christ.
The twenty-first century (21st or XXI) ranges from years 2001 to 2100, so until 2101 it is the 21st century.
Low interest rates during the first years of the twenty-first century allowed many Americans to become homeowners, driving the real estate market.
The Russian Revolutions all occurred in the first twenty years of the 20th century.
One hundred years is a century.Though we are in the year 2013, it is known as the twenty-first century.
A period of 125 years is commonly referred to as a "century and a quarter." While there isn't a specific term for 125 years like there is for 100 years (century) or 50 years (half-century), it can also be described as "one hundred twenty-five years."
False
The twenty-first century spans the years 2001 to 2100. In palindrome numbers within this range, the notable examples are 2002, 2112, and 2222. A palindrome number reads the same forwards and backwards, and these specific years reflect that characteristic.