When was Game Boy Advance created?

On the back of the original Game Boy Advance, you will see (C)(M)2000 Nintendo. Therefore, the Game Boy Advance was made in 2000. Note, carefully. It was made in 2000, but was released in 2001.

The proof of the 2000 date is here:

http://guide-images.ifixit.net/igi/kXYoUEHAsWGPKEFe.huge