Oops, it doesn't look like 'convention on first day' is a national day..

Other days

emoji

Emoji Day
stress awareness

Stress Awareness Day
comfy

Comfy Day
cuddle up

Cuddle Up Day
frozen yogurt

Frozen Yogurt Day
hiv awareness

Hiv Awareness Day
boy friend

Boy Friend Day
singles

Singles Day
self appreciation

Self Appreciation Day
get funky

Get Funky Day