Oops, it doesn't look like 'borders while walking in a may day' is a national day..

Other days

Kiss A Brunette Day

Boba Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Embarrass Your Best Friend Day

Tell Ur Crush You Like Them Day

Donate Your Hair Day

Brow Day

Azonto Is Acceptable Day

My Little Pony Day

Bounce Day