Oops, it doesn't look like 'lower your self esteem day' is a national day..

Other days

Azonto Is Acceptable Day

Embarrass Your Best Friend Day

Lash Day

African Immigrant And Refugee Hiv And Hep Awareness Day

Appreciate Yaself A Lil Extra Day

Polyamory Day

Lumpy Rug Day

Nae Nae Day

Cat Girl Day

Girl Friend Day