Oops, it doesn't look like 'Run Up the Flagpole and See if Anybody Salutes It day' is a national day..

Other days

Donate Your Hair Day

Ask Out Your Crush Day

Tell Ur Crush You Like Them Day

Azonto Is Acceptable Day

Healing Day

Self Care Day

Kiss A Brunette Day

Cuddle Up Day

Prescription Drug Take Back Day

Polyamory Day