Oops, it doesn't look like 'flag on our day' is a national day..

Other days

china

China Day
hannah

Hannah Day
bow tie

Bow Tie Day
bonang

Bonang Day
pampering

Pampering Day
nae nae

Nae Nae Day
stud

Stud Day
buddy

Buddy Day
self care

Self Care Day
ride the wind

Ride The Wind Day