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

Other days

hannah

Hannah Day
ask out your crush

Ask Out Your Crush Day
hiv awareness

Hiv Awareness Day
china

China Day
buddy

Buddy Day
boba

Boba Day
unicorn

Unicorn Day
cursing

Cursing Day
latina equal pay

Latina Equal Pay Day
bow tie

Bow Tie Day