Oops, it doesn't look like 'Single As Fuck day' is a national day..

Other days

ruby

Ruby Day
ormille

Ormille Day
fiancee

Fiancee Day
eat what you want

Eat What You Want Day
artists

Artists Day
bounce

Bounce Day
bubble bath

Bubble Bath Day
hannah

Hannah Day
tulip

Tulip Day
nae nae

Nae Nae Day