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

Other days

comfy

Comfy Day
one

One Day
tell a fairytale

Tell A Fairytale Day
bow tie

Bow Tie Day
artists

Artists Day
latina equal pay

Latina Equal Pay Day
prosecco

Prosecco Day
bounce

Bounce Day
cursing

Cursing Day
slime

Slime Day