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

Other days

bow tie

Bow Tie Day
slime

Slime Day
nae nae

Nae Nae Day
tell ur crush you like them

Tell Ur Crush You Like Them Day
prosecco

Prosecco Day
bonang

Bonang Day
lisp

Lisp Day
law

Law Day
self care

Self Care Day
kale

Kale Day