Oops, it doesn't look like 'gallery of australia on canberra day' is a national day..

Other days

buddy

Buddy Day

self care

Self Care Day

special education

Special Education Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

boyfriend

Boyfriend Day

stress awareness

Stress Awareness Day

tulip

Tulip Day

prescription drug take back

Prescription Drug Take Back Day

Emoji Day

kiss a brunette

Kiss A Brunette Day