Oops, it doesn't look like 'song on defence day' is a national day..

Other days

brow

Brow Day
self care

Self Care Day
lash

Lash Day
bow tie

Bow Tie Day
special education

Special Education Day
my little pony

My Little Pony Day
china

China Day
cursing

Cursing Day
pumpkin

Pumpkin Day
camera

Camera Day