Oops, it doesn't look like 'zeal and fervour on day' is a national day..

Other days

Frozen Yogurt Day

Tell A Fairytale Day

Special Education Day

Self Appreciation Day

Prescription Drug Take Back Day

Brow Day

Embarrass Your Best Friend Day

Mean Girls Day

Prosecco Day

African Immigrant And Refugee Hiv And Hep Awareness Day