Oops, it doesn't look like 'no gun day' is a national day..

Other days

martini

Martini Day
pick me

Pick Me Day
boba

Boba Day
hiv awareness

Hiv Awareness Day
promposal

Promposal Day
brow

Brow Day
lisp

Lisp Day
raise awerness of zeus

Raise Awerness Of Zeus Day
self care

Self Care Day
bubble bath

Bubble Bath Day