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

Other days

reading

Reading Day
first love

First Love Day
pumpkin

Pumpkin Day
lisp

Lisp Day
azonto is acceptable

Azonto Is Acceptable Day
self care

Self Care Day
tell a fairytale

Tell A Fairytale Day
promposal

Promposal Day
one

One Day
tulip

Tulip Day