Oops, it doesn't look like 'nunal day' is a national day..

Other days

gallery

Gallery Day
hannah

Hannah Day
self appreciation

Self Appreciation Day
cuddle up

Cuddle Up Day
cursing

Cursing Day
prosecco

Prosecco Day
slime

Slime Day
polyamory

Polyamory Day
artists

Artists Day
blanket fort

Blanket Fort Day