Oops, it doesn't look like 'guard on duty in washington dc for inauguration day' is a national day..

Other days

artists

Artists Day

Me Day

ormille

Ormille Day

ruby

Ruby Day

lisp

Lisp Day

pick me

Pick Me Day

self appreciation

Self Appreciation Day

offer

Offer Day

prescription drug take back

Prescription Drug Take Back Day

lumpy rug

Lumpy Rug Day