Oops, it doesn't look like 'march on the mall memorial day' is a national day..

Other days

prescription drug take back

Prescription Drug Take Back Day
embarrass your best friend

Embarrass Your Best Friend Day
african immigrant and refugee hiv and hep awareness

African Immigrant And Refugee Hiv And Hep Awareness Day
lost sock memorial

Lost Sock Memorial Day
lisp

Lisp Day
lumpy rug

Lumpy Rug Day
first love

First Love Day
me

Me Day
self appreciation

Self Appreciation Day
nae nae

Nae Nae Day