What is the first year of the twenty-first century?

It may well be mathematically 2001 that is the first year of the 21st century, but I remember that everyone at the time celebrated the new millennium in year 2,000!

Player #Meg, Our first year of life begins at zero .

It's the same for our age.

Stephanie.S., unless you're Chinese where you one when you are born

OligarchOx10160, l knew it was 2001!!

whoa...all the numbers started floating