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

Other days

stress awareness

Stress Awareness Day
kiss a brunette

Kiss A Brunette Day
youth

Youth Day
polyamory

Polyamory Day
carpenters

Carpenters Day
donate your hair

Donate Your Hair Day
embarrass your best friend

Embarrass Your Best Friend Day
lash

Lash Day
artists

Artists Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day