We are in the 21st Century.
Presumably for the same reasons that it is used in the 21st century.
the 21st century
~this is the 21st century
Yes they do have batteries in the 21st century and had in the 20th century.
Yes, "Century" should be capitalized when used in reference to a specific century, such as the 21st Century.
No, there is no apostrophe in the phrase "21st century."
is 21st century is an age of greed
The year 2010 is in the 21st century.
Significance of mutation in 21st century
characteristics of 21st century managers
New cards are used for the 21st century.