The 21 century started with 2001.
The first year of the 21st century was 2001.
the 21st century is from the year 2001 until the year 2100. When it is 2101 it will be the 22nd century.
The year 2010 is in the 21st century.
The 21st century.
The 21st century.
It is the last year of the 21st century.
Friday 31st December 2100. The last year of the 21st century is 2100.
Both. It was the last year of the 21st century BC, and the first year of the 21st century AD.
The 21st century began on January 1, 2001
The year 2000 was the first year of the 21st century.
No - the year 1970 was in the 20th century.
2100 will be the last year of the 21st Century.