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

Other days

African Immigrant And Refugee Hiv And Hep Awareness Day

Boyfriend Day

Aloxolt Day

Kiss A Brunette Day

Hoodie Day

Nae Nae Day

My Little Pony Day

Embarrass Your Best Friend Day

Lash Day

Lumpy Rug Day