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

Other days

embarrass your best friend

Embarrass Your Best Friend Day
boy friend

Boy Friend Day
latina equal pay

Latina Equal Pay Day
singles

Singles Day
self appreciation

Self Appreciation Day
hot chocolate

Hot Chocolate Day
kale

Kale Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
believe

Believe Day
me

Me Day