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

Other days

tell a fairytale

Tell A Fairytale Day
bow tie

Bow Tie Day
youth

Youth Day
stud

Stud Day
emoji

Emoji Day
ride the wind

Ride The Wind Day
lumpy rug

Lumpy Rug Day
bubble bath

Bubble Bath Day
fiancee

Fiancee Day
martini

Martini Day