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

Other days

lash

Lash Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
gum

Gum Day
stud

Stud Day
first love

First Love Day
cat girl

Cat Girl Day
hiv awareness

Hiv Awareness Day
boy friend

Boy Friend Day
ask out your crush

Ask Out Your Crush Day
special education

Special Education Day