Oops, it doesn't look like 'hig a plumber day' is a national day..

Other days

Aloxolt Day

Lash Day

Nail Polish Day

Bonang Day

Hiv Awareness Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Tell Ur Crush You Like Them Day

Unicorn Day

Eat What You Want Day

Embarrass Your Best Friend Day