Oops, it doesn't look like 'cancel your tidal subscription day' is a national day..

Other days

youth

Youth Day
ruby

Ruby Day
aloxolt

Aloxolt Day
lisp

Lisp Day
gum

Gum Day
slime

Slime Day
tulip

Tulip Day
ormille

Ormille Day
bow tie

Bow Tie Day
buddy

Buddy Day