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

Other days

artists

Artists Day
chocolate milkshake

Chocolate Milkshake Day
bounce

Bounce Day
blanket fort

Blanket Fort Day
self care

Self Care Day
self appreciation

Self Appreciation Day
stud

Stud Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
brow

Brow Day
tell ur crush you like them

Tell Ur Crush You Like Them Day