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

Other days

ormille

Ormille Day
lost sock memorial

Lost Sock Memorial Day
kale

Kale Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
slime

Slime Day
hoodie

Hoodie Day
stud

Stud Day
fiancee

Fiancee Day
healing

Healing Day