Oops, it doesn't look like 'bf lick my asshole day' is a national day..

Other days

bow tie

Bow Tie Day
self appreciation

Self Appreciation Day
coffee

Coffee Day
gum

Gum Day
healing

Healing Day
stress awareness

Stress Awareness Day
boy friend

Boy Friend Day
ormille

Ormille Day
unicorn

Unicorn Day
hiv awareness

Hiv Awareness Day