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

Other days

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
ruby

Ruby Day
singles

Singles Day
pumpkin

Pumpkin Day
get funky

Get Funky Day
bow tie

Bow Tie Day
lumpy rug

Lumpy Rug Day
special education

Special Education Day
brow

Brow Day
eat what you want

Eat What You Want Day