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

Other days

gum

Gum Day

bow tie

Bow Tie Day

stress awareness

Stress Awareness Day

hoodie

Hoodie Day

prescription drug take back

Prescription Drug Take Back Day

tulip

Tulip Day

african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day

Emoji Day

kiss a brunette

Kiss A Brunette Day

coffee

Coffee Day