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

Other days

stud

Stud Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
one

One Day
pampering

Pampering Day
carpenters

Carpenters Day
tulip

Tulip Day
buddy

Buddy Day
singles

Singles Day
youth

Youth Day