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

Other days

prosecco

Prosecco Day

one

One Day

martini

Martini Day

nail polish

Nail Polish Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

pumpkin

Pumpkin Day

hot chocolate

Hot Chocolate Day

law

Law Day

nae nae

Nae Nae Day

boy friend

Boy Friend Day