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

Other days

prosecco

Prosecco Day
buddy

Buddy Day
china

China Day
ask out your crush

Ask Out Your Crush Day
kiss a ginger

Kiss A Ginger Day
cuddle up

Cuddle Up Day
kale

Kale Day
boba

Boba Day
first love

First Love Day
gum

Gum Day