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

Other days

Hot Chocolate Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Buddy Day

Bow Tie Day

Slime Day

Boba Day

Girl Friend Day

Ormille Day

Donate Your Hair Day

Tell Ur Crush You Like Them Day