Oops, it doesn't look like 'guard are totally unprepared to defend against a temporal pincer movement day' is a national day..

Other days

Ponytail Day

Law Day

Singles Day

Pick Me Day

Raise Awerness Of Zeus Day

Eat What You Want Day

Nae Nae Day

Promposal Day

Tell Ur Crush You Like Them Day

My Little Pony Day