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

Other days

ormille

Ormille Day
brow

Brow Day
stress awareness

Stress Awareness Day
bow tie

Bow Tie Day
cuddle up

Cuddle Up Day
cat girl

Cat Girl Day
azonto is acceptable

Azonto Is Acceptable Day
gum

Gum Day
bounce

Bounce Day
singles

Singles Day