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

Other days

martini

Martini Day
girl friend

Girl Friend Day
ask out your crush

Ask Out Your Crush Day
frozen yogurt

Frozen Yogurt Day
book

Book Day
bow tie

Bow Tie Day
prosecco

Prosecco Day
pick me

Pick Me Day
nae nae

Nae Nae Day
one

One Day