Being the nub that I am, I try to treat every day as "Be nice to your fellow forum-goer day", yes, even with CeeKay.
imho the only trouble with having "days" for anything is you're encouraging people to be jerks the other 364 days of the year.
Better to just encourage people to be a little nicer all the time.
Actually these days I find the commentary threads on various articles at various sites (gaming or otherwise) actually have more personal attacks than message boards per se. I'm so tired of it, I've learned to prefer sites that bury the comments on a separate page so you can just ignore them.
And by all means, every day is breastday!