Oops, it doesn't look like 'side mans day' is a national day..

Other days

stress awareness

Stress Awareness Day

book

Book Day

gum

Gum Day

law

Law Day

Me Day

pumpkin

Pumpkin Day

stud

Stud Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

tell ur crush you like them

Tell Ur Crush You Like Them Day

ask out your crush

Ask Out Your Crush Day