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

Other days

lisp

Lisp Day
pumpkin

Pumpkin Day
buddy

Buddy Day
cursing

Cursing Day
bow tie

Bow Tie Day
youth

Youth Day
raise awerness of zeus

Raise Awerness Of Zeus Day
self care

Self Care Day
girl friend

Girl Friend Day
unicorn

Unicorn Day