Oops, it doesn't look like 'i breathe air day' is a national day..

Other days

prosecco

Prosecco Day
cuddle up

Cuddle Up Day
one

One Day
girl friend

Girl Friend Day
pick me

Pick Me Day
ride the wind

Ride The Wind Day
first love

First Love Day
buddy

Buddy Day
reading

Reading Day
stud

Stud Day