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

Other days

carpenters

Carpenters Day
law

Law Day
bounce

Bounce Day
coffee

Coffee Day
cat girl

Cat Girl Day
bow tie

Bow Tie Day
mean girls

Mean Girls Day
ride the wind

Ride The Wind Day
pick me

Pick Me Day
nae nae

Nae Nae Day