[P1] Y0K definition?

[Benjamin Ing]

On Monday, Aug 11, 2003, at 08:52 America/Los_Angeles, Jonathan 
Fletcher wrote:

> It's Y-ZERO-K. That's when all the record-keeping switched over from 
> counting the years down in BC (A.K.A. "BCE") to counting up in AD 
> (A.K.A. "CE"). It's a joke, since it wasn't until 700 years later that 
> we started counting the years that way.

Are you sure that it's not a "YUK", or a Yolk instead of a joke? ;-)