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

Other days

lash

Lash Day
buddy

Buddy Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
stress awareness

Stress Awareness Day
reading

Reading Day
ponytail

Ponytail Day
lost sock memorial

Lost Sock Memorial Day
self appreciation

Self Appreciation Day
donate your hair

Donate Your Hair Day
artists

Artists Day