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

Other days

brow

Brow Day
bonang

Bonang Day
bow tie

Bow Tie Day
pampering

Pampering Day
ormille

Ormille Day
boba

Boba Day
lash

Lash Day
azonto is acceptable

Azonto Is Acceptable Day
artists

Artists Day
buddy

Buddy Day