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

Other days

boy friend

Boy Friend Day
pampering

Pampering Day
lisp

Lisp Day
believe

Believe Day
one

One Day
nae nae

Nae Nae Day
latina equal pay

Latina Equal Pay Day
bow tie

Bow Tie Day
ride the wind

Ride The Wind Day
coffee

Coffee Day