Oops, it doesn't look like 'cheese lovers dj day' is a national day..

Other days

one

One Day
artists

Artists Day
girl friend

Girl Friend Day
nae nae

Nae Nae Day
lost sock memorial

Lost Sock Memorial Day
lumpy rug

Lumpy Rug Day
coffee

Coffee Day
first love

First Love Day
lisp

Lisp Day
law

Law Day