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

Other days

ormille

Ormille Day
ponytail

Ponytail Day
pick me

Pick Me Day
boba

Boba Day
artists

Artists Day
stud

Stud Day
coffee

Coffee Day
eat what you want

Eat What You Want Day
brow

Brow Day
bow tie

Bow Tie Day