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

Other days

self appreciation

Self Appreciation Day
ask out your crush

Ask Out Your Crush Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
coffee

Coffee Day
nae nae

Nae Nae Day
self care

Self Care Day
believe

Believe Day
carpenters

Carpenters Day
boyfriend

Boyfriend Day
donate your hair

Donate Your Hair Day