Oops, it doesn't look like 'night out and police appreciation day' is a national day..

Other days

Emoji Day

lisp

Lisp Day

self appreciation

Self Appreciation Day

bow tie

Bow Tie Day

chocolate milkshake

Chocolate Milkshake Day

kiss a brunette

Kiss A Brunette Day

law

Law Day

kiss a ginger

Kiss A Ginger Day

ruby

Ruby Day

my little pony

My Little Pony Day