Oops, it doesn't look like 'basketball association christmas 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
azonto is acceptable

Azonto Is Acceptable Day
self appreciation

Self Appreciation Day
hiv awareness

Hiv Awareness Day
bubble bath

Bubble Bath Day
nail polish

Nail Polish Day
nae nae

Nae Nae Day
artists

Artists Day
kiss a brunette

Kiss A Brunette Day