Oops, it doesn't look like 'be bald and free day' is a national day..

Other days

pumpkin

Pumpkin Day
cursing

Cursing Day
reading

Reading Day
ponytail

Ponytail Day
promposal

Promposal Day
coffee

Coffee Day
singles

Singles Day
ormille

Ormille Day
hannah

Hannah Day
slime

Slime Day